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-rw-r--r--drivers/serial/21285.c8
-rw-r--r--drivers/serial/8250.c28
-rw-r--r--drivers/serial/8250.h1
-rw-r--r--drivers/serial/Kconfig9
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/amba-pl010.c6
-rw-r--r--drivers/serial/amba-pl011.c32
-rw-r--r--drivers/serial/atmel_serial.c14
-rw-r--r--drivers/serial/bfin_5xx.c24
-rw-r--r--drivers/serial/bfin_sport_uart.c6
-rw-r--r--drivers/serial/clps711x.c4
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c2
-rw-r--r--drivers/serial/dz.c6
-rw-r--r--drivers/serial/icom.c20
-rw-r--r--drivers/serial/imx.c81
-rw-r--r--drivers/serial/ioc3_serial.c54
-rw-r--r--drivers/serial/ioc4_serial.c70
-rw-r--r--drivers/serial/ip22zilog.c14
-rw-r--r--drivers/serial/jsm/jsm_neo.c2
-rw-r--r--drivers/serial/jsm/jsm_tty.c20
-rw-r--r--drivers/serial/m32r_sio.c6
-rw-r--r--drivers/serial/max3100.c17
-rw-r--r--drivers/serial/mcf.c4
-rw-r--r--drivers/serial/mpc52xx_uart.c4
-rw-r--r--drivers/serial/mpsc.c4
-rw-r--r--drivers/serial/msm_serial.c6
-rw-r--r--drivers/serial/mux.c4
-rw-r--r--drivers/serial/netx-serial.c6
-rw-r--r--drivers/serial/nwpserial.c4
-rw-r--r--drivers/serial/pmac_zilog.c20
-rw-r--r--drivers/serial/pnx8xxx_uart.c8
-rw-r--r--drivers/serial/pxa.c26
-rw-r--r--drivers/serial/sa1100.c8
-rw-r--r--drivers/serial/samsung.c8
-rw-r--r--drivers/serial/sb1250-duart.c6
-rw-r--r--drivers/serial/sc26xx.c10
-rw-r--r--drivers/serial/serial_core.c880
-rw-r--r--drivers/serial/serial_cs.c15
-rw-r--r--drivers/serial/serial_ks8695.c12
-rw-r--r--drivers/serial/serial_lh7a40x.c6
-rw-r--r--drivers/serial/serial_txx9.c4
-rw-r--r--drivers/serial/sh-sci.c18
-rw-r--r--drivers/serial/sh-sci.h17
-rw-r--r--drivers/serial/sn_console.c22
-rw-r--r--drivers/serial/sunhv.c8
-rw-r--r--drivers/serial/sunsab.c10
-rw-r--r--drivers/serial/sunsu.c6
-rw-r--r--drivers/serial/sunzilog.c14
-rw-r--r--drivers/serial/timbuart.c10
-rw-r--r--drivers/serial/uartlite.c19
-rw-r--r--drivers/serial/ucc_uart.c4
-rw-r--r--drivers/serial/vr41xx_siu.c6
-rw-r--r--drivers/serial/zs.c6
53 files changed, 840 insertions, 760 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index cb6d85d7ff4..1e3d19397a5 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -86,7 +86,7 @@ static void serial21285_enable_ms(struct uart_port *port)
static irqreturn_t serial21285_rx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int status, ch, flag, rxs, max_count = 256;
status = *CSR_UARTFLG;
@@ -124,7 +124,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id)
static irqreturn_t serial21285_tx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
int count = 256;
if (port->x_char) {
@@ -235,8 +235,8 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios,
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
quot = uart_get_divisor(port, baud);
- if (port->info && port->info->port.tty) {
- struct tty_struct *tty = port->info->port.tty;
+ if (port->state && port->state->port.tty) {
+ struct tty_struct *tty = port->state->port.tty;
unsigned int b = port->uartclk / (16 * quot);
tty_encode_baud_rate(tty, b, b);
}
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index fb867a9f55e..2209620d234 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1382,7 +1382,7 @@ static void serial8250_enable_ms(struct uart_port *port)
static void
receive_chars(struct uart_8250_port *up, unsigned int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch, lsr = *status;
int max_count = 256;
char flag;
@@ -1457,7 +1457,7 @@ ignore_char:
static void transmit_chars(struct uart_8250_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
@@ -1500,7 +1500,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up)
status |= up->msr_saved_flags;
up->msr_saved_flags = 0;
if (status & UART_MSR_ANY_DELTA && up->ier & UART_IER_MSI &&
- up->port.info != NULL) {
+ up->port.state != NULL) {
if (status & UART_MSR_TERI)
up->port.icount.rng++;
if (status & UART_MSR_DDSR)
@@ -1510,7 +1510,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
return status;
@@ -1677,7 +1677,7 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
INIT_LIST_HEAD(&up->list);
i->head = &up->list;
spin_unlock_irq(&i->lock);
-
+ irq_flags |= up->port.irqflags;
ret = request_irq(up->port.irq, serial8250_interrupt,
irq_flags, "serial", i);
if (ret < 0)
@@ -1764,7 +1764,7 @@ static void serial8250_backup_timeout(unsigned long data)
up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS;
spin_unlock_irqrestore(&up->port.lock, flags);
if ((iir & UART_IIR_NO_INT) && (up->ier & UART_IER_THRI) &&
- (!uart_circ_empty(&up->port.info->xmit) || up->port.x_char) &&
+ (!uart_circ_empty(&up->port.state->xmit) || up->port.x_char) &&
(lsr & UART_LSR_THRE)) {
iir &= ~(UART_IIR_ID | UART_IIR_NO_INT);
iir |= UART_IIR_THRI;
@@ -2026,7 +2026,7 @@ static int serial8250_startup(struct uart_port *port)
* allow register changes to become visible.
*/
spin_lock_irqsave(&up->port.lock, flags);
- if (up->port.flags & UPF_SHARE_IRQ)
+ if (up->port.irqflags & IRQF_SHARED)
disable_irq_nosync(up->port.irq);
wait_for_xmitr(up, UART_LSR_THRE);
@@ -2039,7 +2039,7 @@ static int serial8250_startup(struct uart_port *port)
iir = serial_in(up, UART_IIR);
serial_out(up, UART_IER, 0);
- if (up->port.flags & UPF_SHARE_IRQ)
+ if (up->port.irqflags & IRQF_SHARED)
enable_irq(up->port.irq);
spin_unlock_irqrestore(&up->port.lock, flags);
@@ -2272,7 +2272,9 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
/*
* Ask the core to calculate the divisor for us.
*/
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
+ baud = uart_get_baud_rate(port, termios, old,
+ port->uartclk / 16 / 0xffff,
+ port->uartclk / 16);
quot = serial8250_get_divisor(port, baud);
/*
@@ -2671,6 +2673,7 @@ static void __init serial8250_isa_init_ports(void)
i++, up++) {
up->port.iobase = old_serial_port[i].port;
up->port.irq = irq_canonicalize(old_serial_port[i].irq);
+ up->port.irqflags = old_serial_port[i].irqflags;
up->port.uartclk = old_serial_port[i].baud_base * 16;
up->port.flags = old_serial_port[i].flags;
up->port.hub6 = old_serial_port[i].hub6;
@@ -2679,7 +2682,7 @@ static void __init serial8250_isa_init_ports(void)
up->port.regshift = old_serial_port[i].iomem_reg_shift;
set_io_from_upio(&up->port);
if (share_irqs)
- up->port.flags |= UPF_SHARE_IRQ;
+ up->port.irqflags |= IRQF_SHARED;
}
}
@@ -2869,6 +2872,7 @@ int __init early_serial_setup(struct uart_port *port)
p->iobase = port->iobase;
p->membase = port->membase;
p->irq = port->irq;
+ p->irqflags = port->irqflags;
p->uartclk = port->uartclk;
p->fifosize = port->fifosize;
p->regshift = port->regshift;
@@ -2942,6 +2946,7 @@ static int __devinit serial8250_probe(struct platform_device *dev)
port.iobase = p->iobase;
port.membase = p->membase;
port.irq = p->irq;
+ port.irqflags = p->irqflags;
port.uartclk = p->uartclk;
port.regshift = p->regshift;
port.iotype = p->iotype;
@@ -2954,7 +2959,7 @@ static int __devinit serial8250_probe(struct platform_device *dev)
port.serial_out = p->serial_out;
port.dev = &dev->dev;
if (share_irqs)
- port.flags |= UPF_SHARE_IRQ;
+ port.irqflags |= IRQF_SHARED;
ret = serial8250_register_port(&port);
if (ret < 0) {
dev_err(&dev->dev, "unable to register port at index %d "
@@ -3096,6 +3101,7 @@ int serial8250_register_port(struct uart_port *port)
uart->port.iobase = port->iobase;
uart->port.membase = port->membase;
uart->port.irq = port->irq;
+ uart->port.irqflags = port->irqflags;
uart->port.uartclk = port->uartclk;
uart->port.fifosize = port->fifosize;
uart->port.regshift = port->regshift;
diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index 520260326f3..6e19ea3e48d 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -25,6 +25,7 @@ struct old_serial_port {
unsigned char io_type;
unsigned char *iomem_base;
unsigned short iomem_reg_shift;
+ unsigned long irqflags;
};
/*
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 6553833c12d..03422ce878c 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -459,7 +459,7 @@ config SERIAL_SAMSUNG_UARTS
int
depends on ARM && PLAT_S3C
default 2 if ARCH_S3C2400
- default 4 if ARCH_S3C64XX || CPU_S3C2443
+ default 4 if ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
default 3
help
Select the number of available UART ports for the Samsung S3C
@@ -533,6 +533,13 @@ config SERIAL_S3C6400
Serial port support for the Samsung S3C6400 and S3C6410
SoCs
+config SERIAL_S5PC100
+ tristate "Samsung S5PC100 Serial port support"
+ depends on SERIAL_SAMSUNG && CPU_S5PC100
+ default y
+ help
+ Serial port support for the Samsung S5PC100 SoCs
+
config SERIAL_MAX3100
tristate "MAX3100 support"
depends on SPI
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index d5a29981c6c..97f6fcc8b43 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o
obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o
obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o
obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o
+obj-$(CONFIG_SERIAL_S5PC100) += s3c6400.o
obj-$(CONFIG_SERIAL_MAX3100) += max3100.o
obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
obj-$(CONFIG_SERIAL_MUX) += mux.o
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 58a4879c7e4..429a8ae8693 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -117,7 +117,7 @@ static void pl010_enable_ms(struct uart_port *port)
static void pl010_rx_chars(struct uart_amba_port *uap)
{
- struct tty_struct *tty = uap->port.info->port.tty;
+ struct tty_struct *tty = uap->port.state->port.tty;
unsigned int status, ch, flag, rsr, max_count = 256;
status = readb(uap->port.membase + UART01x_FR);
@@ -172,7 +172,7 @@ static void pl010_rx_chars(struct uart_amba_port *uap)
static void pl010_tx_chars(struct uart_amba_port *uap)
{
- struct circ_buf *xmit = &uap->port.info->xmit;
+ struct circ_buf *xmit = &uap->port.state->xmit;
int count;
if (uap->port.x_char) {
@@ -225,7 +225,7 @@ static void pl010_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.info->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl010_int(int irq, void *dev_id)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index bf82e28770a..ef7adc8135d 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -124,7 +124,7 @@ static void pl011_enable_ms(struct uart_port *port)
static void pl011_rx_chars(struct uart_amba_port *uap)
{
- struct tty_struct *tty = uap->port.info->port.tty;
+ struct tty_struct *tty = uap->port.state->port.tty;
unsigned int status, ch, flag, max_count = 256;
status = readw(uap->port.membase + UART01x_FR);
@@ -175,7 +175,7 @@ static void pl011_rx_chars(struct uart_amba_port *uap)
static void pl011_tx_chars(struct uart_amba_port *uap)
{
- struct circ_buf *xmit = &uap->port.info->xmit;
+ struct circ_buf *xmit = &uap->port.state->xmit;
int count;
if (uap->port.x_char) {
@@ -226,7 +226,7 @@ static void pl011_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.info->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl011_int(int irq, void *dev_id)
@@ -826,6 +826,28 @@ static int pl011_remove(struct amba_device *dev)
return 0;
}
+#ifdef CONFIG_PM
+static int pl011_suspend(struct amba_device *dev, pm_message_t state)
+{
+ struct uart_amba_port *uap = amba_get_drvdata(dev);
+
+ if (!uap)
+ return -EINVAL;
+
+ return uart_suspend_port(&amba_reg, &uap->port);
+}
+
+static int pl011_resume(struct amba_device *dev)
+{
+ struct uart_amba_port *uap = amba_get_drvdata(dev);
+
+ if (!uap)
+ return -EINVAL;
+
+ return uart_resume_port(&amba_reg, &uap->port);
+}
+#endif
+
static struct amba_id pl011_ids[] __initdata = {
{
.id = 0x00041011,
@@ -847,6 +869,10 @@ static struct amba_driver pl011_driver = {
.id_table = pl011_ids,
.probe = pl011_probe,
.remove = pl011_remove,
+#ifdef CONFIG_PM
+ .suspend = pl011_suspend,
+ .resume = pl011_resume,
+#endif
};
static int __init pl011_init(void)
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 607d43a3104..3551c5cb709 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -427,7 +427,7 @@ static void atmel_rx_chars(struct uart_port *port)
*/
static void atmel_tx_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (port->x_char && UART_GET_CSR(port) & ATMEL_US_TXRDY) {
UART_PUT_CHAR(port, port->x_char);
@@ -560,7 +560,7 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id)
static void atmel_tx_dma(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;
int count;
@@ -663,14 +663,14 @@ static void atmel_rx_from_ring(struct uart_port *port)
* uart_start(), which takes the lock.
*/
spin_unlock(&port->lock);
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
spin_lock(&port->lock);
}
static void atmel_rx_from_dma(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct atmel_dma_buffer *pdc;
int rx_idx = atmel_port->pdc_rx_idx;
unsigned int head;
@@ -776,7 +776,7 @@ static void atmel_tasklet_func(unsigned long data)
if (status_change & ATMEL_US_CTS)
uart_handle_cts_change(port, !(status & ATMEL_US_CTS));
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
atmel_port->irq_status_prev = status;
}
@@ -795,7 +795,7 @@ static void atmel_tasklet_func(unsigned long data)
static int atmel_startup(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
int retval;
/*
@@ -854,7 +854,7 @@ static int atmel_startup(struct uart_port *port)
}
if (atmel_use_dma_tx(port)) {
struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
pdc->buf = xmit->buf;
pdc->dma_addr = dma_map_single(port->dev,
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index b4a7650af69..50abb7e557f 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -42,6 +42,10 @@
# undef CONFIG_EARLY_PRINTK
#endif
+#ifdef CONFIG_SERIAL_BFIN_MODULE
+# undef CONFIG_EARLY_PRINTK
+#endif
+
/* UART name and device definitions */
#define BFIN_SERIAL_NAME "ttyBF"
#define BFIN_SERIAL_MAJOR 204
@@ -140,7 +144,7 @@ static void bfin_serial_stop_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
#ifdef CONFIG_SERIAL_BFIN_DMA
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
#endif
while (!(UART_GET_LSR(uart) & TEMT))
@@ -167,7 +171,7 @@ static void bfin_serial_stop_tx(struct uart_port *port)
static void bfin_serial_start_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
- struct tty_struct *tty = uart->port.info->port.tty;
+ struct tty_struct *tty = uart->port.state->port.tty;
#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
if (uart->scts && !(bfin_serial_get_mctrl(&uart->port) & TIOCM_CTS)) {
@@ -239,10 +243,10 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
return;
}
- if (!uart->port.info || !uart->port.info->port.tty)
+ if (!uart->port.state || !uart->port.state->port.tty)
return;
#endif
- tty = uart->port.info->port.tty;
+ tty = uart->port.state->port.tty;
if (ANOMALY_05000363) {
/* The BF533 (and BF561) family of processors have a nice anomaly
@@ -327,7 +331,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
{
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
#ifdef CONFIG_BF54x
@@ -394,7 +398,7 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id)
#ifdef CONFIG_SERIAL_BFIN_DMA
static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
{
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
uart->tx_done = 0;
@@ -432,7 +436,7 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
{
- struct tty_struct *tty = uart->port.info->port.tty;
+ struct tty_struct *tty = uart->port.state->port.tty;
int i, flg, status;
status = UART_GET_LSR(uart);
@@ -525,7 +529,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id)
{
struct bfin_serial_port *uart = dev_id;
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
if (uart->scts && !(bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) {
@@ -961,10 +965,10 @@ static void bfin_serial_set_ldisc(struct uart_port *port)
int line = port->line;
unsigned short val;
- if (line >= port->info->port.tty->driver->num)
+ if (line >= port->state->port.tty->driver->num)
return;
- switch (port->info->port.tty->termios->c_line) {
+ switch (port->state->port.tty->termios->c_line) {
case N_IRDA:
val = UART_GET_GCTL(&bfin_serial_ports[line]);
val |= (IREN | RPOLC);
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index c108b1a0ce9..088bb35475f 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -178,7 +178,7 @@ static int sport_uart_setup(struct sport_uart_port *up, int sclk, int baud_rate)
static irqreturn_t sport_uart_rx_irq(int irq, void *dev_id)
{
struct sport_uart_port *up = dev_id;
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned int ch;
do {
@@ -205,7 +205,7 @@ static irqreturn_t sport_uart_tx_irq(int irq, void *dev_id)
static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
{
struct sport_uart_port *up = dev_id;
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned int stat = SPORT_GET_STAT(up);
/* Overflow in RX FIFO */
@@ -290,7 +290,7 @@ fail1:
static void sport_uart_tx_chars(struct sport_uart_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
if (SPORT_GET_STAT(up) & TXF)
return;
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 80e76426131..b6acd19b458 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -93,7 +93,7 @@ static void clps711xuart_enable_ms(struct uart_port *port)
static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int status, ch, flg;
status = clps_readl(SYSFLG(port));
@@ -147,7 +147,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id)
static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
int count;
if (port->x_char) {
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index f8df0681e16..8d349b23249 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -244,7 +244,7 @@ static void cpm_uart_int_rx(struct uart_port *port)
int i;
unsigned char ch;
u8 *cp;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
cbd_t __iomem *bdp;
u16 status;
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index 6042b87797a..57421d77632 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -197,7 +197,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
while ((status = dz_in(dport, DZ_RBUF)) & DZ_DVAL) {
dport = &mux->dport[LINE(status)];
uport = &dport->port;
- tty = uport->info->port.tty; /* point to the proper dev */
+ tty = uport->state->port.tty; /* point to the proper dev */
ch = UCHAR(status); /* grab the char */
flag = TTY_NORMAL;
@@ -249,7 +249,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
}
for (i = 0; i < DZ_NB_PORT; i++)
if (lines_rx[i])
- tty_flip_buffer_push(mux->dport[i].port.info->port.tty);
+ tty_flip_buffer_push(mux->dport[i].port.state->port.tty);
}
/*
@@ -268,7 +268,7 @@ static inline void dz_transmit_chars(struct dz_mux *mux)
status = dz_in(dport, DZ_CSR);
dport = &mux->dport[LINE(status)];
- xmit = &dport->port.info->xmit;
+ xmit = &dport->port.state->xmit;
if (dport->port.x_char) { /* XON/XOFF chars */
dz_out(dport, DZ_TDR, dport->port.x_char);
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index cd1b6a45bb8..2d7feecaf49 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -617,7 +617,7 @@ static void shutdown(struct icom_port *icom_port)
* disable break condition
*/
cmdReg = readb(&icom_port->dram->CmdReg);
- if ((cmdReg | CMD_SND_BREAK) == CMD_SND_BREAK) {
+ if (cmdReg & CMD_SND_BREAK) {
writeb(cmdReg & ~CMD_SND_BREAK, &icom_port->dram->CmdReg);
}
}
@@ -627,7 +627,7 @@ static int icom_write(struct uart_port *port)
unsigned long data_count;
unsigned char cmdReg;
unsigned long offset;
- int temp_tail = port->info->xmit.tail;
+ int temp_tail = port->state->xmit.tail;
trace(ICOM_PORT, "WRITE", 0);
@@ -638,11 +638,11 @@ static int icom_write(struct uart_port *port)
}
data_count = 0;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count <= XMIT_BUFF_SZ)) {
ICOM_PORT->xmit_buf[data_count++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
@@ -694,8 +694,8 @@ static inline void check_modem_status(struct icom_port *icom_port)
uart_handle_cts_change(&icom_port->uart_port,
delta_status & ICOM_CTS);
- wake_up_interruptible(&icom_port->uart_port.info->
- delta_msr_wait);
+ wake_up_interruptible(&icom_port->uart_port.state->
+ port.delta_msr_wait);
old_status = status;
}
spin_unlock(&icom_port->uart_port.lock);
@@ -718,10 +718,10 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
icom_port->uart_port.icount.tx += count;
for (i=0; i<count &&
- !uart_circ_empty(&icom_port->uart_port.info->xmit); i++) {
+ !uart_circ_empty(&icom_port->uart_port.state->xmit); i++) {
- icom_port->uart_port.info->xmit.tail++;
- icom_port->uart_port.info->xmit.tail &=
+ icom_port->uart_port.state->xmit.tail++;
+ icom_port->uart_port.state->xmit.tail &=
(UART_XMIT_SIZE - 1);
}
@@ -735,7 +735,7 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
short int count, rcv_buff;
- struct tty_struct *tty = icom_port->uart_port.info->port.tty;
+ struct tty_struct *tty = icom_port->uart_port.state->port.tty;
unsigned short int status;
struct uart_icount *icount;
unsigned long offset;
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 5d7b58f1fe4..18130f11238 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -67,21 +67,8 @@
#define UBIR 0xa4 /* BRM Incremental Register */
#define UBMR 0xa8 /* BRM Modulator Register */
#define UBRC 0xac /* Baud Rate Count Register */
-#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
-#define ONEMS 0xb0 /* One Millisecond register */
-#define UTS 0xb4 /* UART Test Register */
-#endif
-#ifdef CONFIG_ARCH_MX1
-#define BIPR1 0xb0 /* Incremental Preset Register 1 */
-#define BIPR2 0xb4 /* Incremental Preset Register 2 */
-#define BIPR3 0xb8 /* Incremental Preset Register 3 */
-#define BIPR4 0xbc /* Incremental Preset Register 4 */
-#define BMPR1 0xc0 /* BRM Modulator Register 1 */
-#define BMPR2 0xc4 /* BRM Modulator Register 2 */
-#define BMPR3 0xc8 /* BRM Modulator Register 3 */
-#define BMPR4 0xcc /* BRM Modulator Register 4 */
-#define UTS 0xd0 /* UART Test Register */
-#endif
+#define MX2_ONEMS 0xb0 /* One Millisecond register */
+#define UTS (cpu_is_mx1() ? 0xd0 : 0xb4) /* UART Test Register */
/* UART Control Register Bit Fields.*/
#define URXD_CHARRDY (1<<15)
@@ -101,12 +88,7 @@
#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
#define UCR1_SNDBRK (1<<4) /* Send break */
#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#ifdef CONFIG_ARCH_MX1
-#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
-#endif
-#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
-#define UCR1_UARTCLKEN (0) /* not present on mx2/mx3 */
-#endif
+#define MX1_UCR1_UARTCLKEN (1<<2) /* UART clock enabled, mx1 only */
#define UCR1_DOZE (1<<1) /* Doze */
#define UCR1_UARTEN (1<<0) /* UART enabled */
#define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */
@@ -132,13 +114,9 @@
#define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */
#define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */
#define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */
-#ifdef CONFIG_ARCH_MX1
-#define UCR3_REF25 (1<<3) /* Ref freq 25 MHz, only on mx1 */
-#define UCR3_REF30 (1<<2) /* Ref Freq 30 MHz, only on mx1 */
-#endif
-#if defined CONFIG_ARCH_MX2 || defined CONFIG_ARCH_MX3
-#define UCR3_RXDMUXSEL (1<<2) /* RXD Muxed Input Select, on mx2/mx3 */
-#endif
+#define MX1_UCR3_REF25 (1<<3) /* Ref freq 25 MHz, only on mx1 */
+#define MX1_UCR3_REF30 (1<<2) /* Ref Freq 30 MHz, only on mx1 */
+#define MX2_UCR3_RXDMUXSEL (1<<2) /* RXD Muxed Input Select, on mx2/mx3 */
#define UCR3_INVT (1<<1) /* Inverted Infrared transmission */
#define UCR3_BPEN (1<<0) /* Preset registers enable */
#define UCR4_CTSTL_32 (32<<10) /* CTS trigger level (32 chars) */
@@ -186,12 +164,10 @@
#define UTS_SOFTRST (1<<0) /* Software reset */
/* We've been assigned a range on the "Low-density serial ports" major */
-#ifdef CONFIG_ARCH_MXC
#define SERIAL_IMX_MAJOR 207
#define MINOR_START 16
#define DEV_NAME "ttymxc"
#define MAX_INTERNAL_IRQ MXC_INTERNAL_IRQS
-#endif
/*
* This determines how often we check the modem status signals
@@ -248,7 +224,7 @@ static void imx_mctrl_check(struct imx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
@@ -260,7 +236,7 @@ static void imx_timeout(unsigned long data)
struct imx_port *sport = (struct imx_port *)data;
unsigned long flags;
- if (sport->port.info) {
+ if (sport->port.state) {
spin_lock_irqsave(&sport->port.lock, flags);
imx_mctrl_check(sport);
spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -347,7 +323,7 @@ static void imx_enable_ms(struct uart_port *port)
static inline void imx_transmit_buffer(struct imx_port *sport)
{
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
while (!(readl(sport->port.membase + UTS) & UTS_TXFULL)) {
/* send xmit->buf[xmit->tail]
@@ -412,7 +388,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id)
writel(USR1_RTSD, sport->port.membase + USR1);
uart_handle_cts_change(&sport->port, !!val);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
spin_unlock_irqrestore(&sport->port.lock, flags);
return IRQ_HANDLED;
@@ -421,7 +397,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id)
static irqreturn_t imx_txint(int irq, void *dev_id)
{
struct imx_port *sport = dev_id;
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
unsigned long flags;
spin_lock_irqsave(&sport->port.lock,flags);
@@ -451,7 +427,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
{
struct imx_port *sport = dev_id;
unsigned int rx,flg,ignored = 0;
- struct tty_struct *tty = sport->port.info->port.tty;
+ struct tty_struct *tty = sport->port.state->port.tty;
unsigned long flags, temp;
spin_lock_irqsave(&sport->port.lock,flags);
@@ -706,11 +682,11 @@ static int imx_startup(struct uart_port *port)
}
}
-#if defined CONFIG_ARCH_MX2 || defined CONFIG_ARCH_MX3
- temp = readl(sport->port.membase + UCR3);
- temp |= UCR3_RXDMUXSEL;
- writel(temp, sport->port.membase + UCR3);
-#endif
+ if (!cpu_is_mx1()) {
+ temp = readl(sport->port.membase + UCR3);
+ temp |= MX2_UCR3_RXDMUXSEL;
+ writel(temp, sport->port.membase + UCR3);
+ }
if (USE_IRDA(sport)) {
temp = readl(sport->port.membase + UCR4);
@@ -924,11 +900,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
rational_best_approximation(16 * div * baud, sport->port.uartclk,
1 << 16, 1 << 16, &num, &denom);
- if (port->info && port->info->port.tty) {
+ if (port->state && port->state->port.tty) {
tdiv64 = sport->port.uartclk;
tdiv64 *= num;
do_div(tdiv64, denom * 16 * div);
- tty_encode_baud_rate(sport->port.info->port.tty,
+ tty_encode_baud_rate(sport->port.state->port.tty,
(speed_t)tdiv64, (speed_t)tdiv64);
}
@@ -942,9 +918,9 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
writel(num, sport->port.membase + UBIR);
writel(denom, sport->port.membase + UBMR);
-#ifdef ONEMS
- writel(sport->port.uartclk / div / 1000, sport->port.membase + ONEMS);
-#endif
+ if (!cpu_is_mx1())
+ writel(sport->port.uartclk / div / 1000,
+ sport->port.membase + MX2_ONEMS);
writel(old_ucr1, sport->port.membase + UCR1);
@@ -1074,17 +1050,20 @@ static void
imx_console_write(struct console *co, const char *s, unsigned int count)
{
struct imx_port *sport = imx_ports[co->index];
- unsigned int old_ucr1, old_ucr2;
+ unsigned int old_ucr1, old_ucr2, ucr1;
/*
* First, save UCR1/2 and then disable interrupts
*/
- old_ucr1 = readl(sport->port.membase + UCR1);
+ ucr1 = old_ucr1 = readl(sport->port.membase + UCR1);
old_ucr2 = readl(sport->port.membase + UCR2);
- writel((old_ucr1 | UCR1_UARTCLKEN | UCR1_UARTEN) &
- ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN),
- sport->port.membase + UCR1);
+ if (cpu_is_mx1())
+ ucr1 |= MX1_UCR1_UARTCLKEN;
+ ucr1 |= UCR1_UARTEN;
+ ucr1 &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN);
+
+ writel(ucr1, sport->port.membase + UCR1);
writel(old_ucr2 | UCR2_TXEN, sport->port.membase + UCR2);
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index ae3699d77dd..d8983dd5c4b 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -897,25 +897,25 @@ static void transmit_chars(struct uart_port *the_port)
char *start;
struct tty_struct *tty;
struct ioc3_port *port = get_ioc3_port(the_port);
- struct uart_info *info;
+ struct uart_state *state;
if (!the_port)
return;
if (!port)
return;
- info = the_port->info;
- tty = info->port.tty;
+ state = the_port->state;
+ tty = state->port.tty;
- if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) {
+ if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) {
/* Nothing to do or hw stopped */
set_notification(port, N_ALL_OUTPUT, 0);
return;
}
- head = info->xmit.head;
- tail = info->xmit.tail;
- start = (char *)&info->xmit.buf[tail];
+ head = state->xmit.head;
+ tail = state->xmit.tail;
+ start = (char *)&state->xmit.buf[tail];
/* write out all the data or until the end of the buffer */
xmit_count = (head < tail) ? (UART_XMIT_SIZE - tail) : (head - tail);
@@ -928,14 +928,14 @@ static void transmit_chars(struct uart_port *the_port)
/* advance the pointers */
tail += result;
tail &= UART_XMIT_SIZE - 1;
- info->xmit.tail = tail;
- start = (char *)&info->xmit.buf[tail];
+ state->xmit.tail = tail;
+ start = (char *)&state->xmit.buf[tail];
}
}
- if (uart_circ_chars_pending(&info->xmit) < WAKEUP_CHARS)
+ if (uart_circ_chars_pending(&state->xmit) < WAKEUP_CHARS)
uart_write_wakeup(the_port);
- if (uart_circ_empty(&info->xmit)) {
+ if (uart_circ_empty(&state->xmit)) {
set_notification(port, N_OUTPUT_LOWAT, 0);
} else {
set_notification(port, N_OUTPUT_LOWAT, 1);
@@ -956,7 +956,7 @@ ioc3_change_speed(struct uart_port *the_port,
unsigned int cflag;
int baud;
int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
cflag = new_termios->c_cflag;
@@ -997,14 +997,14 @@ ioc3_change_speed(struct uart_port *the_port,
the_port->ignore_status_mask = N_ALL_INPUT;
- info->port.tty->low_latency = 1;
+ state->port.tty->low_latency = 1;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~(N_PARITY_ERROR
| N_FRAMING_ERROR);
- if (I_IGNBRK(info->port.tty)) {
+ if (I_IGNBRK(state->port.tty)) {
the_port->ignore_status_mask &= ~N_BREAK;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;
}
if (!(cflag & CREAD)) {
@@ -1286,8 +1286,8 @@ static inline int do_read(struct uart_port *the_port, char *buf, int len)
uart_handle_dcd_change
(port->ip_port, 0);
wake_up_interruptible
- (&the_port->info->
- delta_msr_wait);
+ (&the_port->state->
+ port.delta_msr_wait);
}
/* If we had any data to return, we
@@ -1392,21 +1392,21 @@ static int receive_chars(struct uart_port *the_port)
struct tty_struct *tty;
unsigned char ch[MAX_CHARS];
int read_count = 0, read_room, flip = 0;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
struct ioc3_port *port = get_ioc3_port(the_port);
unsigned long pflags;
/* Make sure all the pointers are "good" ones */
- if (!info)
+ if (!state)
return 0;
- if (!info->port.tty)
+ if (!state->port.tty)
return 0;
if (!(port->ip_flags & INPUT_ENABLE))
return 0;
spin_lock_irqsave(&the_port->lock, pflags);
- tty = info->port.tty;
+ tty = state->port.tty;
read_count = do_read(the_port, ch, MAX_CHARS);
if (read_count > 0) {
@@ -1491,7 +1491,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_dcd_change(the_port,
shadow & SHADOW_DCD);
wake_up_interruptible
- (&the_port->info->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@@ -1511,7 +1511,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_cts_change(the_port, shadow
& SHADOW_CTS);
wake_up_interruptible
- (&the_port->info->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
}
}
@@ -1721,14 +1721,14 @@ static void ic3_shutdown(struct uart_port *the_port)
{
unsigned long port_flags;
struct ioc3_port *port;
- struct uart_info *info;
+ struct uart_state *state;
port = get_ioc3_port(the_port);
if (!port)
return;
- info = the_port->info;
- wake_up_interruptible(&info->delta_msr_wait);
+ state = the_port->state;
+ wake_up_interruptible(&state->port.delta_msr_wait);
spin_lock_irqsave(&the_port->lock, port_flags);
set_notification(port, N_ALL, 0);
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 6bab63cd5b2..2e02c3026d2 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -930,7 +930,7 @@ static void handle_dma_error_intr(void *arg, uint32_t other_ir)
if (readl(&port->ip_mem->pci_err_addr_l.raw) & IOC4_PCI_ERR_ADDR_VLD) {
printk(KERN_ERR
- "PCI error address is 0x%lx, "
+ "PCI error address is 0x%llx, "
"master is serial port %c %s\n",
(((uint64_t)readl(&port->ip_mem->pci_err_addr_h)
<< 32)
@@ -1627,25 +1627,25 @@ static void transmit_chars(struct uart_port *the_port)
char *start;
struct tty_struct *tty;
struct ioc4_port *port = get_ioc4_port(the_port, 0);
- struct uart_info *info;
+ struct uart_state *state;
if (!the_port)
return;
if (!port)
return;
- info = the_port->info;
- tty = info->port.tty;
+ state = the_port->state;
+ tty = state->port.tty;
- if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) {
+ if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) {
/* Nothing to do or hw stopped */
set_notification(port, N_ALL_OUTPUT, 0);
return;
}
- head = info->xmit.head;
- tail = info->xmit.tail;
- start = (char *)&info->xmit.buf[tail];
+ head = state->xmit.head;
+ tail = state->xmit.tail;
+ start = (char *)&state->xmit.buf[tail];
/* write out all the data or until the end of the buffer */
xmit_count = (head < tail) ? (UART_XMIT_SIZE - tail) : (head - tail);
@@ -1658,14 +1658,14 @@ static void transmit_chars(struct uart_port *the_port)
/* advance the pointers */
tail += result;
tail &= UART_XMIT_SIZE - 1;
- info->xmit.tail = tail;
- start = (char *)&info->xmit.buf[tail];
+ state->xmit.tail = tail;
+ start = (char *)&state->xmit.buf[tail];
}
}
- if (uart_circ_chars_pending(&info->xmit) < WAKEUP_CHARS)
+ if (uart_circ_chars_pending(&state->xmit) < WAKEUP_CHARS)
uart_write_wakeup(the_port);
- if (uart_circ_empty(&info->xmit)) {
+ if (uart_circ_empty(&state->xmit)) {
set_notification(port, N_OUTPUT_LOWAT, 0);
} else {
set_notification(port, N_OUTPUT_LOWAT, 1);
@@ -1686,7 +1686,7 @@ ioc4_change_speed(struct uart_port *the_port,
int baud, bits;
unsigned cflag;
int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
cflag = new_termios->c_cflag;
@@ -1738,14 +1738,14 @@ ioc4_change_speed(struct uart_port *the_port,
the_port->ignore_status_mask = N_ALL_INPUT;
- info->port.tty->low_latency = 1;
+ state->port.tty->low_latency = 1;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~(N_PARITY_ERROR
| N_FRAMING_ERROR);
- if (I_IGNBRK(info->port.tty)) {
+ if (I_IGNBRK(state->port.tty)) {
the_port->ignore_status_mask &= ~N_BREAK;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;
}
if (!(cflag & CREAD)) {
@@ -1784,7 +1784,7 @@ ioc4_change_speed(struct uart_port *the_port,
static inline int ic4_startup_local(struct uart_port *the_port)
{
struct ioc4_port *port;
- struct uart_info *info;
+ struct uart_state *state;
if (!the_port)
return -1;
@@ -1793,7 +1793,7 @@ static inline int ic4_startup_local(struct uart_port *the_port)
if (!port)
return -1;
- info = the_port->info;
+ state = the_port->state;
local_open(port);
@@ -1801,7 +1801,7 @@ static inline int ic4_startup_local(struct uart_port *the_port)
ioc4_set_proto(port, the_port->mapbase);
/* set the speed of the serial port */
- ioc4_change_speed(the_port, info->port.tty->termios,
+ ioc4_change_speed(the_port, state->port.tty->termios,
(struct ktermios *)0);
return 0;
@@ -1882,7 +1882,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port = port->ip_port;
the_port->icount.dcd = 1;
wake_up_interruptible
- (&the_port-> info->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & IOC4_SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@@ -1904,7 +1904,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port->icount.cts =
(shadow & IOC4_SHADOW_CTS) ? 1 : 0;
wake_up_interruptible
- (&the_port->info->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
}
}
@@ -2236,8 +2236,8 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf,
&& port->ip_port) {
the_port->icount.dcd = 0;
wake_up_interruptible
- (&the_port->info->
- delta_msr_wait);
+ (&the_port->state->
+ port.delta_msr_wait);
}
/* If we had any data to return, we
@@ -2341,17 +2341,17 @@ static void receive_chars(struct uart_port *the_port)
unsigned char ch[IOC4_MAX_CHARS];
int read_count, request_count = IOC4_MAX_CHARS;
struct uart_icount *icount;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
unsigned long pflags;
/* Make sure all the pointers are "good" ones */
- if (!info)
+ if (!state)
return;
- if (!info->port.tty)
+ if (!state->port.tty)
return;
spin_lock_irqsave(&the_port->lock, pflags);
- tty = info->port.tty;
+ tty = state->port.tty;
request_count = tty_buffer_request_room(tty, IOC4_MAX_CHARS);
@@ -2430,19 +2430,19 @@ static void ic4_shutdown(struct uart_port *the_port)
{
unsigned long port_flags;
struct ioc4_port *port;
- struct uart_info *info;
+ struct uart_state *state;
port = get_ioc4_port(the_port, 0);
if (!port)
return;
- info = the_port->info;
+ state = the_port->state;
port->ip_port = NULL;
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&state->port.delta_msr_wait);
- if (info->port.tty)
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ if (state->port.tty)
+ set_bit(TTY_IO_ERROR, &state->port.tty->flags);
spin_lock_irqsave(&the_port->lock, port_flags);
set_notification(port, N_ALL, 0);
@@ -2538,7 +2538,7 @@ static int ic4_startup(struct uart_port *the_port)
int retval;
struct ioc4_port *port;
struct ioc4_control *control;
- struct uart_info *info;
+ struct uart_state *state;
unsigned long port_flags;
if (!the_port)
@@ -2546,7 +2546,7 @@ static int ic4_startup(struct uart_port *the_port)
port = get_ioc4_port(the_port, 1);
if (!port)
return -ENODEV;
- info = the_port->info;
+ state = the_port->state;
control = port->ip_control;
if (!control) {
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 0d9acbd0bb7..ebff4a1d4bc 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -256,9 +256,9 @@ static struct tty_struct *ip22zilog_receive_chars(struct uart_ip22zilog_port *up
unsigned int r1;
tty = NULL;
- if (up->port.info != NULL &&
- up->port.info->port.tty != NULL)
- tty = up->port.info->port.tty;
+ if (up->port.state != NULL &&
+ up->port.state->port.tty != NULL)
+ tty = up->port.state->port.tty;
for (;;) {
ch = readb(&channel->control);
@@ -354,7 +354,7 @@ static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;
@@ -404,9 +404,9 @@ static void ip22zilog_transmit_chars(struct uart_ip22zilog_port *up,
return;
}
- if (up->port.info == NULL)
+ if (up->port.state == NULL)
goto ack_tx_int;
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (uart_circ_empty(xmit))
goto ack_tx_int;
if (uart_tx_stopped(&up->port))
@@ -607,7 +607,7 @@ static void ip22zilog_start_tx(struct uart_port *port)
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
writeb(xmit->buf[xmit->tail], &channel->data);
ZSDELAY();
diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c
index 9dadaa11d26..b4b124e4828 100644
--- a/drivers/serial/jsm/jsm_neo.c
+++ b/drivers/serial/jsm/jsm_neo.c
@@ -989,7 +989,7 @@ static void neo_param(struct jsm_channel *ch)
{ 50, B50 },
};
- cflag = C_BAUD(ch->uart_port.info->port.tty);
+ cflag = C_BAUD(ch->uart_port.state->port.tty);
baud = 9600;
for (i = 0; i < ARRAY_SIZE(baud_rates); i++) {
if (baud_rates[i].cflag == cflag) {
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 00f4577d2f7..7439c037362 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -147,7 +147,7 @@ static void jsm_tty_send_xchar(struct uart_port *port, char ch)
struct ktermios *termios;
spin_lock_irqsave(&port->lock, lock_flags);
- termios = port->info->port.tty->termios;
+ termios = port->state->port.tty->termios;
if (ch == termios->c_cc[VSTART])
channel->ch_bd->bd_ops->send_start_character(channel);
@@ -245,7 +245,7 @@ static int jsm_tty_open(struct uart_port *port)
channel->ch_cached_lsr = 0;
channel->ch_stops_sent = 0;
- termios = port->info->port.tty->termios;
+ termios = port->state->port.tty->termios;
channel->ch_c_cflag = termios->c_cflag;
channel->ch_c_iflag = termios->c_iflag;
channel->ch_c_oflag = termios->c_oflag;
@@ -278,7 +278,7 @@ static void jsm_tty_close(struct uart_port *port)
jsm_printk(CLOSE, INFO, &channel->ch_bd->pci_dev, "start\n");
bd = channel->ch_bd;
- ts = port->info->port.tty->termios;
+ ts = port->state->port.tty->termios;
channel->ch_flags &= ~(CH_STOPI);
@@ -530,7 +530,7 @@ void jsm_input(struct jsm_channel *ch)
if (!ch)
return;
- tp = ch->uart_port.info->port.tty;
+ tp = ch->uart_port.state->port.tty;
bd = ch->ch_bd;
if(!bd)
@@ -849,7 +849,7 @@ int jsm_tty_write(struct uart_port *port)
u16 tail;
u16 tmask;
u32 remain;
- int temp_tail = port->info->xmit.tail;
+ int temp_tail = port->state->xmit.tail;
struct jsm_channel *channel = (struct jsm_channel *)port;
tmask = WQUEUEMASK;
@@ -865,10 +865,10 @@ int jsm_tty_write(struct uart_port *port)
data_count = 0;
if (bufcount >= remain) {
bufcount -= remain;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count < remain)) {
channel->ch_wqueue[head++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
@@ -880,10 +880,10 @@ int jsm_tty_write(struct uart_port *port)
data_count1 = 0;
if (bufcount > 0) {
remain = bufcount;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count1 < remain)) {
channel->ch_wqueue[head++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
@@ -892,7 +892,7 @@ int jsm_tty_write(struct uart_port *port)
}
}
- port->info->xmit.tail = temp_tail;
+ port->state->xmit.tail = temp_tail;
data_count += data_count1;
if (data_count) {
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 611c97a1565..bea5c215460 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -286,7 +286,7 @@ static void m32r_sio_start_tx(struct uart_port *port)
{
#ifdef CONFIG_SERIAL_M32R_PLDSIO
struct uart_sio_port *up = (struct uart_sio_port *)port;
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
if (!(up->ier & UART_IER_THRI)) {
up->ier |= UART_IER_THRI;
@@ -325,7 +325,7 @@ static void m32r_sio_enable_ms(struct uart_port *port)
static void receive_chars(struct uart_sio_port *up, int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch;
unsigned char flag;
int max_count = 256;
@@ -398,7 +398,7 @@ static void receive_chars(struct uart_sio_port *up, int *status)
static void transmit_chars(struct uart_sio_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
diff --git a/drivers/serial/max3100.c b/drivers/serial/max3100.c
index 9fd33e5622b..3c30c56aa2e 100644
--- a/drivers/serial/max3100.c
+++ b/drivers/serial/max3100.c
@@ -184,7 +184,7 @@ static void max3100_timeout(unsigned long data)
{
struct max3100_port *s = (struct max3100_port *)data;
- if (s->port.info) {
+ if (s->port.state) {
max3100_dowork(s);
mod_timer(&s->timer, jiffies + s->poll_time);
}
@@ -261,7 +261,7 @@ static void max3100_work(struct work_struct *w)
int rxchars;
u16 tx, rx;
int conf, cconf, rts, crts;
- struct circ_buf *xmit = &s->port.info->xmit;
+ struct circ_buf *xmit = &s->port.state->xmit;
dev_dbg(&s->spi->dev, "%s\n", __func__);
@@ -307,8 +307,8 @@ static void max3100_work(struct work_struct *w)
}
}
- if (rxchars > 16 && s->port.info->port.tty != NULL) {
- tty_flip_buffer_push(s->port.info->port.tty);
+ if (rxchars > 16 && s->port.state->port.tty != NULL) {
+ tty_flip_buffer_push(s->port.state->port.tty);
rxchars = 0;
}
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
@@ -320,8 +320,8 @@ static void max3100_work(struct work_struct *w)
(!uart_circ_empty(xmit) &&
!uart_tx_stopped(&s->port))));
- if (rxchars > 0 && s->port.info->port.tty != NULL)
- tty_flip_buffer_push(s->port.info->port.tty);
+ if (rxchars > 0 && s->port.state->port.tty != NULL)
+ tty_flip_buffer_push(s->port.state->port.tty);
}
static irqreturn_t max3100_irq(int irqno, void *dev_id)
@@ -429,7 +429,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios,
int baud = 0;
unsigned cflag;
u32 param_new, param_mask, parity = 0;
- struct tty_struct *tty = s->port.info->port.tty;
+ struct tty_struct *tty = s->port.state->port.tty;
dev_dbg(&s->spi->dev, "%s\n", __func__);
if (!tty)
@@ -529,7 +529,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios,
MAX3100_STATUS_OE;
/* we are sending char from a workqueue so enable */
- s->port.info->port.tty->low_latency = 1;
+ s->port.state->port.tty->low_latency = 1;
if (s->poll_time > 0)
del_timer_sync(&s->timer);
@@ -925,3 +925,4 @@ module_exit(max3100_exit);
MODULE_DESCRIPTION("MAX3100 driver");
MODULE_AUTHOR("Christian Pellegrin <chripell@evolware.org>");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("spi:max3100");
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 0eefb07beba..b44382442bf 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -323,7 +323,7 @@ static void mcf_rx_chars(struct mcf_uart *pp)
uart_insert_char(port, status, MCFUART_USR_RXOVERRUN, ch, flag);
}
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
}
/****************************************************************************/
@@ -331,7 +331,7 @@ static void mcf_rx_chars(struct mcf_uart *pp)
static void mcf_tx_chars(struct mcf_uart *pp)
{
struct uart_port *port = &pp->port;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (port->x_char) {
/* Send special char - probably flow control */
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index abbd146c50d..d7bcd074d38 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -745,7 +745,7 @@ static struct uart_ops mpc52xx_uart_ops = {
static inline int
mpc52xx_uart_int_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned char ch, flag;
unsigned short status;
@@ -812,7 +812,7 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port)
static inline int
mpc52xx_uart_int_tx_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
/* Process out of band chars */
if (port->x_char) {
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index 61d3ade5286..b5496c28e60 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -936,7 +936,7 @@ static int serial_polled;
static int mpsc_rx_intr(struct mpsc_port_info *pi)
{
struct mpsc_rx_desc *rxre;
- struct tty_struct *tty = pi->port.info->port.tty;
+ struct tty_struct *tty = pi->port.state->port.tty;
u32 cmdstat, bytes_in, i;
int rc = 0;
u8 *bp;
@@ -1109,7 +1109,7 @@ static void mpsc_setup_tx_desc(struct mpsc_port_info *pi, u32 count, u32 intr)
static void mpsc_copy_tx_data(struct mpsc_port_info *pi)
{
- struct circ_buf *xmit = &pi->port.info->xmit;
+ struct circ_buf *xmit = &pi->port.state->xmit;
u8 *bp;
u32 i;
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index f7c24baa141..b05c5aa02cb 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -88,7 +88,7 @@ static void msm_enable_ms(struct uart_port *port)
static void handle_rx(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int sr;
/*
@@ -136,7 +136,7 @@ static void handle_rx(struct uart_port *port)
static void handle_tx(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
struct msm_port *msm_port = UART_TO_MSM(port);
int sent_tx;
@@ -169,7 +169,7 @@ static void handle_delta_cts(struct uart_port *port)
{
msm_write(port, UART_CR_CMD_RESET_CTS, UART_CR);
port->icount.cts++;
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
}
static irqreturn_t msm_irq(int irq, void *dev_id)
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 953a5ffa9b4..7571aaa138b 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -199,7 +199,7 @@ static void mux_break_ctl(struct uart_port *port, int break_state)
static void mux_write(struct uart_port *port)
{
int count;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if(port->x_char) {
UART_PUT_CHAR(port, port->x_char);
@@ -243,7 +243,7 @@ static void mux_write(struct uart_port *port)
static void mux_read(struct uart_port *port)
{
int data;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
__u32 start_count = port->icount.rx;
while(1) {
diff --git a/drivers/serial/netx-serial.c b/drivers/serial/netx-serial.c
index 3e5dda8518b..7735c9f35fa 100644
--- a/drivers/serial/netx-serial.c
+++ b/drivers/serial/netx-serial.c
@@ -140,7 +140,7 @@ static void netx_enable_ms(struct uart_port *port)
static inline void netx_transmit_buffer(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (port->x_char) {
writel(port->x_char, port->membase + UART_DR);
@@ -185,7 +185,7 @@ static unsigned int netx_tx_empty(struct uart_port *port)
static void netx_txint(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
netx_stop_tx(port);
@@ -201,7 +201,7 @@ static void netx_txint(struct uart_port *port)
static void netx_rxint(struct uart_port *port)
{
unsigned char rx, flg, status;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
while (!(readl(port->membase + UART_FR) & FR_RXFE)) {
rx = readl(port->membase + UART_DR);
diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c
index 9e150b19d72..e1ab8ec0a4a 100644
--- a/drivers/serial/nwpserial.c
+++ b/drivers/serial/nwpserial.c
@@ -126,7 +126,7 @@ static void nwpserial_config_port(struct uart_port *port, int flags)
static irqreturn_t nwpserial_interrupt(int irq, void *dev_id)
{
struct nwpserial_port *up = dev_id;
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
irqreturn_t ret;
unsigned int iir;
unsigned char ch;
@@ -261,7 +261,7 @@ static void nwpserial_start_tx(struct uart_port *port)
struct nwpserial_port *up;
struct circ_buf *xmit;
up = container_of(port, struct nwpserial_port, port);
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (port->x_char) {
nwpserial_putchar(up, up->port.x_char);
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 9c1243fbd51..0700cd10b97 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -242,12 +242,12 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
}
/* Sanity check, make sure the old bug is no longer happening */
- if (uap->port.info == NULL || uap->port.info->port.tty == NULL) {
+ if (uap->port.state == NULL || uap->port.state->port.tty == NULL) {
WARN_ON(1);
(void)read_zsdata(uap);
return NULL;
}
- tty = uap->port.info->port.tty;
+ tty = uap->port.state->port.tty;
while (1) {
error = 0;
@@ -369,7 +369,7 @@ static void pmz_status_handle(struct uart_pmac_port *uap)
uart_handle_cts_change(&uap->port,
!(status & CTS));
- wake_up_interruptible(&uap->port.info->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
if (status & BRK_ABRT)
@@ -420,9 +420,9 @@ static void pmz_transmit_chars(struct uart_pmac_port *uap)
return;
}
- if (uap->port.info == NULL)
+ if (uap->port.state == NULL)
goto ack_tx_int;
- xmit = &uap->port.info->xmit;
+ xmit = &uap->port.state->xmit;
if (uart_circ_empty(xmit)) {
uart_write_wakeup(&uap->port);
goto ack_tx_int;
@@ -655,7 +655,7 @@ static void pmz_start_tx(struct uart_port *port)
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
write_zsdata(uap, xmit->buf[xmit->tail]);
zssync(uap);
@@ -1645,7 +1645,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state)
state = pmz_uart_reg.state + uap->port.line;
mutex_lock(&pmz_irq_mutex);
- mutex_lock(&state->mutex);
+ mutex_lock(&state->port.mutex);
spin_lock_irqsave(&uap->port.lock, flags);
@@ -1676,7 +1676,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state)
/* Shut the chip down */
pmz_set_scc_power(uap, 0);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&state->port.mutex);
mutex_unlock(&pmz_irq_mutex);
pmz_debug("suspend, switching complete\n");
@@ -1705,7 +1705,7 @@ static int pmz_resume(struct macio_dev *mdev)
state = pmz_uart_reg.state + uap->port.line;
mutex_lock(&pmz_irq_mutex);
- mutex_lock(&state->mutex);
+ mutex_lock(&state->port.mutex);
spin_lock_irqsave(&uap->port.lock, flags);
if (!ZS_IS_OPEN(uap) && !ZS_IS_CONS(uap)) {
@@ -1737,7 +1737,7 @@ static int pmz_resume(struct macio_dev *mdev)
}
bail:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&state->port.mutex);
mutex_unlock(&pmz_irq_mutex);
/* Right now, we deal with delay by blocking here, I'll be
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index 1bb8f1b4576..0aa75a97531 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -100,7 +100,7 @@ static void pnx8xxx_mctrl_check(struct pnx8xxx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
@@ -112,7 +112,7 @@ static void pnx8xxx_timeout(unsigned long data)
struct pnx8xxx_port *sport = (struct pnx8xxx_port *)data;
unsigned long flags;
- if (sport->port.info) {
+ if (sport->port.state) {
spin_lock_irqsave(&sport->port.lock, flags);
pnx8xxx_mctrl_check(sport);
spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -181,7 +181,7 @@ static void pnx8xxx_enable_ms(struct uart_port *port)
static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
{
- struct tty_struct *tty = sport->port.info->port.tty;
+ struct tty_struct *tty = sport->port.state->port.tty;
unsigned int status, ch, flg;
status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) |
@@ -243,7 +243,7 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
static void pnx8xxx_tx_chars(struct pnx8xxx_port *sport)
{
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
if (sport->port.x_char) {
serial_out(sport, PNX8XXX_FIFO, sport->port.x_char);
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index a48a8a13d87..b8629d74f6a 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -96,7 +96,7 @@ static void serial_pxa_stop_rx(struct uart_port *port)
static inline void receive_chars(struct uart_pxa_port *up, int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned int ch, flag;
int max_count = 256;
@@ -161,7 +161,7 @@ static inline void receive_chars(struct uart_pxa_port *up, int *status)
static void transmit_chars(struct uart_pxa_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
@@ -220,7 +220,7 @@ static inline void check_modem_status(struct uart_pxa_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
/*
@@ -726,9 +726,10 @@ static struct uart_driver serial_pxa_reg = {
.cons = PXA_CONSOLE,
};
-static int serial_pxa_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM
+static int serial_pxa_suspend(struct device *dev)
{
- struct uart_pxa_port *sport = platform_get_drvdata(dev);
+ struct uart_pxa_port *sport = dev_get_drvdata(dev);
if (sport)
uart_suspend_port(&serial_pxa_reg, &sport->port);
@@ -736,9 +737,9 @@ static int serial_pxa_suspend(struct platform_device *dev, pm_message_t state)
return 0;
}
-static int serial_pxa_resume(struct platform_device *dev)
+static int serial_pxa_resume(struct device *dev)
{
- struct uart_pxa_port *sport = platform_get_drvdata(dev);
+ struct uart_pxa_port *sport = dev_get_drvdata(dev);
if (sport)
uart_resume_port(&serial_pxa_reg, &sport->port);
@@ -746,6 +747,12 @@ static int serial_pxa_resume(struct platform_device *dev)
return 0;
}
+static struct dev_pm_ops serial_pxa_pm_ops = {
+ .suspend = serial_pxa_suspend,
+ .resume = serial_pxa_resume,
+};
+#endif
+
static int serial_pxa_probe(struct platform_device *dev)
{
struct uart_pxa_port *sport;
@@ -825,11 +832,12 @@ static struct platform_driver serial_pxa_driver = {
.probe = serial_pxa_probe,
.remove = serial_pxa_remove,
- .suspend = serial_pxa_suspend,
- .resume = serial_pxa_resume,
.driver = {
.name = "pxa2xx-uart",
.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+ .pm = &serial_pxa_pm_ops,
+#endif
},
};
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 94530f01521..7f5e2687322 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -117,7 +117,7 @@ static void sa1100_mctrl_check(struct sa1100_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
@@ -129,7 +129,7 @@ static void sa1100_timeout(unsigned long data)
struct sa1100_port *sport = (struct sa1100_port *)data;
unsigned long flags;
- if (sport->port.info) {
+ if (sport->port.state) {
spin_lock_irqsave(&sport->port.lock, flags);
sa1100_mctrl_check(sport);
spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -189,7 +189,7 @@ static void sa1100_enable_ms(struct uart_port *port)
static void
sa1100_rx_chars(struct sa1100_port *sport)
{
- struct tty_struct *tty = sport->port.info->port.tty;
+ struct tty_struct *tty = sport->port.state->port.tty;
unsigned int status, ch, flg;
status = UTSR1_TO_SM(UART_GET_UTSR1(sport)) |
@@ -239,7 +239,7 @@ sa1100_rx_chars(struct sa1100_port *sport)
static void sa1100_tx_chars(struct sa1100_port *sport)
{
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
if (sport->port.x_char) {
UART_PUT_CHAR(sport, sport->port.x_char);
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index c8851a0db63..1523e8d9ae7 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -196,7 +196,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id)
{
struct s3c24xx_uart_port *ourport = dev_id;
struct uart_port *port = &ourport->port;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int ufcon, ch, flag, ufstat, uerstat;
int max_count = 64;
@@ -281,7 +281,7 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id)
{
struct s3c24xx_uart_port *ourport = id;
struct uart_port *port = &ourport->port;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
int count = 256;
if (port->x_char) {
@@ -992,10 +992,10 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
struct ktermios *termios;
struct tty_struct *tty;
- if (uport->info == NULL)
+ if (uport->state == NULL)
goto exit;
- tty = uport->info->port.tty;
+ tty = uport->state->port.tty;
if (tty == NULL)
goto exit;
diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index 319e8b83f6b..a2f2b325449 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -384,13 +384,13 @@ static void sbd_receive_chars(struct sbd_port *sport)
uart_insert_char(uport, status, M_DUART_OVRUN_ERR, ch, flag);
}
- tty_flip_buffer_push(uport->info->port.tty);
+ tty_flip_buffer_push(uport->state->port.tty);
}
static void sbd_transmit_chars(struct sbd_port *sport)
{
struct uart_port *uport = &sport->port;
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
unsigned int mask;
int stop_tx;
@@ -440,7 +440,7 @@ static void sbd_status_handle(struct sbd_port *sport)
if (delta & ((M_DUART_IN_PIN2_VAL | M_DUART_IN_PIN0_VAL) <<
S_DUART_IN_PIN_CHNG))
- wake_up_interruptible(&uport->info->delta_msr_wait);
+ wake_up_interruptible(&uport->state->port.delta_msr_wait);
}
static irqreturn_t sbd_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/sc26xx.c b/drivers/serial/sc26xx.c
index e0be11ceaa2..75038ad2b24 100644
--- a/drivers/serial/sc26xx.c
+++ b/drivers/serial/sc26xx.c
@@ -140,8 +140,8 @@ static struct tty_struct *receive_chars(struct uart_port *port)
char flag;
u8 status;
- if (port->info != NULL) /* Unopened serial console */
- tty = port->info->port.tty;
+ if (port->state != NULL) /* Unopened serial console */
+ tty = port->state->port.tty;
while (limit-- > 0) {
status = READ_SC_PORT(port, SR);
@@ -190,10 +190,10 @@ static void transmit_chars(struct uart_port *port)
{
struct circ_buf *xmit;
- if (!port->info)
+ if (!port->state)
return;
- xmit = &port->info->xmit;
+ xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
sc26xx_disable_irq(port, IMR_TXRDY);
return;
@@ -316,7 +316,7 @@ static void sc26xx_stop_tx(struct uart_port *port)
/* port->lock held by caller. */
static void sc26xx_start_tx(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
while (!uart_circ_empty(xmit)) {
if (!(READ_SC_PORT(port, SR) & SR_TXRDY)) {
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index b0bb29d804a..1689bda1d13 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -29,10 +29,10 @@
#include <linux/console.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <linux/serial_core.h>
#include <linux/smp_lock.h>
#include <linux/device.h>
#include <linux/serial.h> /* for serial_state and serial_icounter_struct */
+#include <linux/serial_core.h>
#include <linux/delay.h>
#include <linux/mutex.h>
@@ -52,8 +52,6 @@ static struct lock_class_key port_lock_key;
#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
-#define uart_users(state) ((state)->count + (state)->info.port.blocked_open)
-
#ifdef CONFIG_SERIAL_CORE_CONSOLE
#define uart_console(port) ((port)->cons && (port)->cons->index == (port)->line)
#else
@@ -71,19 +69,19 @@ static void uart_change_pm(struct uart_state *state, int pm_state);
*/
void uart_write_wakeup(struct uart_port *port)
{
- struct uart_info *info = port->info;
+ struct uart_state *state = port->state;
/*
* This means you called this function _after_ the port was
* closed. No cookie for you.
*/
- BUG_ON(!info);
- tasklet_schedule(&info->tlet);
+ BUG_ON(!state);
+ tasklet_schedule(&state->tlet);
}
static void uart_stop(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
@@ -94,9 +92,9 @@ static void uart_stop(struct tty_struct *tty)
static void __uart_start(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
- if (!uart_circ_empty(&state->info.xmit) && state->info.xmit.buf &&
+ if (!uart_circ_empty(&state->xmit) && state->xmit.buf &&
!tty->stopped && !tty->hw_stopped)
port->ops->start_tx(port);
}
@@ -104,7 +102,7 @@ static void __uart_start(struct tty_struct *tty)
static void uart_start(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
@@ -115,7 +113,7 @@ static void uart_start(struct tty_struct *tty)
static void uart_tasklet_action(unsigned long data)
{
struct uart_state *state = (struct uart_state *)data;
- tty_wakeup(state->info.port.tty);
+ tty_wakeup(state->port.tty);
}
static inline void
@@ -141,12 +139,12 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
*/
static int uart_startup(struct uart_state *state, int init_hw)
{
- struct uart_info *info = &state->info;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned long page;
int retval = 0;
- if (info->flags & UIF_INITIALIZED)
+ if (port->flags & ASYNC_INITIALIZED)
return 0;
/*
@@ -154,26 +152,26 @@ static int uart_startup(struct uart_state *state, int init_hw)
* once we have successfully opened the port. Also set
* up the tty->alt_speed kludge
*/
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ set_bit(TTY_IO_ERROR, &port->tty->flags);
- if (port->type == PORT_UNKNOWN)
+ if (uport->type == PORT_UNKNOWN)
return 0;
/*
* Initialise and allocate the transmit and temporary
* buffer.
*/
- if (!info->xmit.buf) {
+ if (!state->xmit.buf) {
/* This is protected by the per port mutex */
page = get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
- info->xmit.buf = (unsigned char *) page;
- uart_circ_clear(&info->xmit);
+ state->xmit.buf = (unsigned char *) page;
+ uart_circ_clear(&state->xmit);
}
- retval = port->ops->startup(port);
+ retval = uport->ops->startup(uport);
if (retval == 0) {
if (init_hw) {
/*
@@ -185,20 +183,20 @@ static int uart_startup(struct uart_state *state, int init_hw)
* Setup the RTS and DTR signals once the
* port is open and ready to respond.
*/
- if (info->port.tty->termios->c_cflag & CBAUD)
- uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
+ if (port->tty->termios->c_cflag & CBAUD)
+ uart_set_mctrl(uport, TIOCM_RTS | TIOCM_DTR);
}
- if (info->flags & UIF_CTS_FLOW) {
- spin_lock_irq(&port->lock);
- if (!(port->ops->get_mctrl(port) & TIOCM_CTS))
- info->port.tty->hw_stopped = 1;
- spin_unlock_irq(&port->lock);
+ if (port->flags & ASYNC_CTS_FLOW) {
+ spin_lock_irq(&uport->lock);
+ if (!(uport->ops->get_mctrl(uport) & TIOCM_CTS))
+ port->tty->hw_stopped = 1;
+ spin_unlock_irq(&uport->lock);
}
- info->flags |= UIF_INITIALIZED;
+ set_bit(ASYNCB_INITIALIZED, &port->flags);
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &port->tty->flags);
}
if (retval && capable(CAP_SYS_ADMIN))
@@ -214,9 +212,9 @@ static int uart_startup(struct uart_state *state, int init_hw)
*/
static void uart_shutdown(struct uart_state *state)
{
- struct uart_info *info = &state->info;
- struct uart_port *port = state->port;
- struct tty_struct *tty = info->port.tty;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
+ struct tty_struct *tty = port->tty;
/*
* Set the TTY IO error marker
@@ -224,14 +222,12 @@ static void uart_shutdown(struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
- if (info->flags & UIF_INITIALIZED) {
- info->flags &= ~UIF_INITIALIZED;
-
+ if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) {
/*
* Turn off DTR and RTS early.
*/
if (!tty || (tty->termios->c_cflag & HUPCL))
- uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
+ uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS);
/*
* clear delta_msr_wait queue to avoid mem leaks: we may free
@@ -240,30 +236,30 @@ static void uart_shutdown(struct uart_state *state)
* any outstanding file descriptors should be pointing at
* hung_up_tty_fops now.
*/
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&port->delta_msr_wait);
/*
* Free the IRQ and disable the port.
*/
- port->ops->shutdown(port);
+ uport->ops->shutdown(uport);
/*
* Ensure that the IRQ handler isn't running on another CPU.
*/
- synchronize_irq(port->irq);
+ synchronize_irq(uport->irq);
}
/*
* kill off our tasklet
*/
- tasklet_kill(&info->tlet);
+ tasklet_kill(&state->tlet);
/*
* Free the transmit buffer page.
*/
- if (info->xmit.buf) {
- free_page((unsigned long)info->xmit.buf);
- info->xmit.buf = NULL;
+ if (state->xmit.buf) {
+ free_page((unsigned long)state->xmit.buf);
+ state->xmit.buf = NULL;
}
}
@@ -430,15 +426,16 @@ EXPORT_SYMBOL(uart_get_divisor);
static void
uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
{
- struct tty_struct *tty = state->info.port.tty;
- struct uart_port *port = state->port;
+ struct tty_port *port = &state->port;
+ struct tty_struct *tty = port->tty;
+ struct uart_port *uport = state->uart_port;
struct ktermios *termios;
/*
* If we have no tty, termios, or the port does not exist,
* then we can't set the parameters for this port.
*/
- if (!tty || !tty->termios || port->type == PORT_UNKNOWN)
+ if (!tty || !tty->termios || uport->type == PORT_UNKNOWN)
return;
termios = tty->termios;
@@ -447,16 +444,16 @@ uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
* Set flags based on termios cflag
*/
if (termios->c_cflag & CRTSCTS)
- state->info.flags |= UIF_CTS_FLOW;
+ set_bit(ASYNCB_CTS_FLOW, &port->flags);
else
- state->info.flags &= ~UIF_CTS_FLOW;
+ clear_bit(ASYNCB_CTS_FLOW, &port->flags);
if (termios->c_cflag & CLOCAL)
- state->info.flags &= ~UIF_CHECK_CD;
+ clear_bit(ASYNCB_CHECK_CD, &port->flags);
else
- state->info.flags |= UIF_CHECK_CD;
+ set_bit(ASYNCB_CHECK_CD, &port->flags);
- port->ops->set_termios(port, termios, old_termios);
+ uport->ops->set_termios(uport, termios, old_termios);
}
static inline int
@@ -482,7 +479,7 @@ static int uart_put_char(struct tty_struct *tty, unsigned char ch)
{
struct uart_state *state = tty->driver_data;
- return __uart_put_char(state->port, &state->info.xmit, ch);
+ return __uart_put_char(state->uart_port, &state->xmit, ch);
}
static void uart_flush_chars(struct tty_struct *tty)
@@ -508,8 +505,8 @@ uart_write(struct tty_struct *tty, const unsigned char *buf, int count)
return -EL3HLT;
}
- port = state->port;
- circ = &state->info.xmit;
+ port = state->uart_port;
+ circ = &state->xmit;
if (!circ->buf)
return 0;
@@ -539,9 +536,9 @@ static int uart_write_room(struct tty_struct *tty)
unsigned long flags;
int ret;
- spin_lock_irqsave(&state->port->lock, flags);
- ret = uart_circ_chars_free(&state->info.xmit);
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_lock_irqsave(&state->uart_port->lock, flags);
+ ret = uart_circ_chars_free(&state->xmit);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
return ret;
}
@@ -551,9 +548,9 @@ static int uart_chars_in_buffer(struct tty_struct *tty)
unsigned long flags;
int ret;
- spin_lock_irqsave(&state->port->lock, flags);
- ret = uart_circ_chars_pending(&state->info.xmit);
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_lock_irqsave(&state->uart_port->lock, flags);
+ ret = uart_circ_chars_pending(&state->xmit);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
return ret;
}
@@ -572,11 +569,11 @@ static void uart_flush_buffer(struct tty_struct *tty)
return;
}
- port = state->port;
+ port = state->uart_port;
pr_debug("uart_flush_buffer(%d) called\n", tty->index);
spin_lock_irqsave(&port->lock, flags);
- uart_circ_clear(&state->info.xmit);
+ uart_circ_clear(&state->xmit);
if (port->ops->flush_buffer)
port->ops->flush_buffer(port);
spin_unlock_irqrestore(&port->lock, flags);
@@ -590,7 +587,7 @@ static void uart_flush_buffer(struct tty_struct *tty)
static void uart_send_xchar(struct tty_struct *tty, char ch)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long flags;
if (port->ops->send_xchar)
@@ -613,13 +610,13 @@ static void uart_throttle(struct tty_struct *tty)
uart_send_xchar(tty, STOP_CHAR(tty));
if (tty->termios->c_cflag & CRTSCTS)
- uart_clear_mctrl(state->port, TIOCM_RTS);
+ uart_clear_mctrl(state->uart_port, TIOCM_RTS);
}
static void uart_unthrottle(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
if (I_IXOFF(tty)) {
if (port->x_char)
@@ -635,35 +632,36 @@ static void uart_unthrottle(struct tty_struct *tty)
static int uart_get_info(struct uart_state *state,
struct serial_struct __user *retinfo)
{
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
struct serial_struct tmp;
memset(&tmp, 0, sizeof(tmp));
/* Ensure the state we copy is consistent and no hardware changes
occur as we go */
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
- tmp.type = port->type;
- tmp.line = port->line;
- tmp.port = port->iobase;
+ tmp.type = uport->type;
+ tmp.line = uport->line;
+ tmp.port = uport->iobase;
if (HIGH_BITS_OFFSET)
- tmp.port_high = (long) port->iobase >> HIGH_BITS_OFFSET;
- tmp.irq = port->irq;
- tmp.flags = port->flags;
- tmp.xmit_fifo_size = port->fifosize;
- tmp.baud_base = port->uartclk / 16;
- tmp.close_delay = state->close_delay / 10;
- tmp.closing_wait = state->closing_wait == USF_CLOSING_WAIT_NONE ?
+ tmp.port_high = (long) uport->iobase >> HIGH_BITS_OFFSET;
+ tmp.irq = uport->irq;
+ tmp.flags = uport->flags;
+ tmp.xmit_fifo_size = uport->fifosize;
+ tmp.baud_base = uport->uartclk / 16;
+ tmp.close_delay = port->close_delay / 10;
+ tmp.closing_wait = port->closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
- state->closing_wait / 10;
- tmp.custom_divisor = port->custom_divisor;
- tmp.hub6 = port->hub6;
- tmp.io_type = port->iotype;
- tmp.iomem_reg_shift = port->regshift;
- tmp.iomem_base = (void *)(unsigned long)port->mapbase;
+ port->closing_wait / 10;
+ tmp.custom_divisor = uport->custom_divisor;
+ tmp.hub6 = uport->hub6;
+ tmp.io_type = uport->iotype;
+ tmp.iomem_reg_shift = uport->regshift;
+ tmp.iomem_base = (void *)(unsigned long)uport->mapbase;
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
return -EFAULT;
@@ -674,7 +672,8 @@ static int uart_set_info(struct uart_state *state,
struct serial_struct __user *newinfo)
{
struct serial_struct new_serial;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned long new_port;
unsigned int change_irq, change_port, closing_wait;
unsigned int old_custom_divisor, close_delay;
@@ -691,58 +690,58 @@ static int uart_set_info(struct uart_state *state,
new_serial.irq = irq_canonicalize(new_serial.irq);
close_delay = new_serial.close_delay * 10;
closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
- USF_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
+ ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
/*
- * This semaphore protects state->count. It is also
+ * This semaphore protects port->count. It is also
* very useful to prevent opens. Also, take the
* port configuration semaphore to make sure that a
* module insertion/removal doesn't change anything
* under us.
*/
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
- change_irq = !(port->flags & UPF_FIXED_PORT)
- && new_serial.irq != port->irq;
+ change_irq = !(uport->flags & UPF_FIXED_PORT)
+ && new_serial.irq != uport->irq;
/*
* Since changing the 'type' of the port changes its resource
* allocations, we should treat type changes the same as
* IO port changes.
*/
- change_port = !(port->flags & UPF_FIXED_PORT)
- && (new_port != port->iobase ||
- (unsigned long)new_serial.iomem_base != port->mapbase ||
- new_serial.hub6 != port->hub6 ||
- new_serial.io_type != port->iotype ||
- new_serial.iomem_reg_shift != port->regshift ||
- new_serial.type != port->type);
-
- old_flags = port->flags;
+ change_port = !(uport->flags & UPF_FIXED_PORT)
+ && (new_port != uport->iobase ||
+ (unsigned long)new_serial.iomem_base != uport->mapbase ||
+ new_serial.hub6 != uport->hub6 ||
+ new_serial.io_type != uport->iotype ||
+ new_serial.iomem_reg_shift != uport->regshift ||
+ new_serial.type != uport->type);
+
+ old_flags = uport->flags;
new_flags = new_serial.flags;
- old_custom_divisor = port->custom_divisor;
+ old_custom_divisor = uport->custom_divisor;
if (!capable(CAP_SYS_ADMIN)) {
retval = -EPERM;
if (change_irq || change_port ||
- (new_serial.baud_base != port->uartclk / 16) ||
- (close_delay != state->close_delay) ||
- (closing_wait != state->closing_wait) ||
+ (new_serial.baud_base != uport->uartclk / 16) ||
+ (close_delay != port->close_delay) ||
+ (closing_wait != port->closing_wait) ||
(new_serial.xmit_fifo_size &&
- new_serial.xmit_fifo_size != port->fifosize) ||
+ new_serial.xmit_fifo_size != uport->fifosize) ||
(((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0))
goto exit;
- port->flags = ((port->flags & ~UPF_USR_MASK) |
+ uport->flags = ((uport->flags & ~UPF_USR_MASK) |
(new_flags & UPF_USR_MASK));
- port->custom_divisor = new_serial.custom_divisor;
+ uport->custom_divisor = new_serial.custom_divisor;
goto check_and_exit;
}
/*
* Ask the low level driver to verify the settings.
*/
- if (port->ops->verify_port)
- retval = port->ops->verify_port(port, &new_serial);
+ if (uport->ops->verify_port)
+ retval = uport->ops->verify_port(uport, &new_serial);
if ((new_serial.irq >= nr_irqs) || (new_serial.irq < 0) ||
(new_serial.baud_base < 9600))
@@ -757,7 +756,7 @@ static int uart_set_info(struct uart_state *state,
/*
* Make sure that we are the sole user of this port.
*/
- if (uart_users(state) > 1)
+ if (tty_port_users(port) > 1)
goto exit;
/*
@@ -771,31 +770,31 @@ static int uart_set_info(struct uart_state *state,
unsigned long old_iobase, old_mapbase;
unsigned int old_type, old_iotype, old_hub6, old_shift;
- old_iobase = port->iobase;
- old_mapbase = port->mapbase;
- old_type = port->type;
- old_hub6 = port->hub6;
- old_iotype = port->iotype;
- old_shift = port->regshift;
+ old_iobase = uport->iobase;
+ old_mapbase = uport->mapbase;
+ old_type = uport->type;
+ old_hub6 = uport->hub6;
+ old_iotype = uport->iotype;
+ old_shift = uport->regshift;
/*
* Free and release old regions
*/
if (old_type != PORT_UNKNOWN)
- port->ops->release_port(port);
+ uport->ops->release_port(uport);
- port->iobase = new_port;
- port->type = new_serial.type;
- port->hub6 = new_serial.hub6;
- port->iotype = new_serial.io_type;
- port->regshift = new_serial.iomem_reg_shift;
- port->mapbase = (unsigned long)new_serial.iomem_base;
+ uport->iobase = new_port;
+ uport->type = new_serial.type;
+ uport->hub6 = new_serial.hub6;
+ uport->iotype = new_serial.io_type;
+ uport->regshift = new_serial.iomem_reg_shift;
+ uport->mapbase = (unsigned long)new_serial.iomem_base;
/*
* Claim and map the new regions
*/
- if (port->type != PORT_UNKNOWN) {
- retval = port->ops->request_port(port);
+ if (uport->type != PORT_UNKNOWN) {
+ retval = uport->ops->request_port(uport);
} else {
/* Always success - Jean II */
retval = 0;
@@ -806,19 +805,19 @@ static int uart_set_info(struct uart_state *state,
* new port, try to restore the old settings.
*/
if (retval && old_type != PORT_UNKNOWN) {
- port->iobase = old_iobase;
- port->type = old_type;
- port->hub6 = old_hub6;
- port->iotype = old_iotype;
- port->regshift = old_shift;
- port->mapbase = old_mapbase;
- retval = port->ops->request_port(port);
+ uport->iobase = old_iobase;
+ uport->type = old_type;
+ uport->hub6 = old_hub6;
+ uport->iotype = old_iotype;
+ uport->regshift = old_shift;
+ uport->mapbase = old_mapbase;
+ retval = uport->ops->request_port(uport);
/*
* If we failed to restore the old settings,
* we fail like this.
*/
if (retval)
- port->type = PORT_UNKNOWN;
+ uport->type = PORT_UNKNOWN;
/*
* We failed anyway.
@@ -830,45 +829,45 @@ static int uart_set_info(struct uart_state *state,
}
if (change_irq)
- port->irq = new_serial.irq;
- if (!(port->flags & UPF_FIXED_PORT))
- port->uartclk = new_serial.baud_base * 16;
- port->flags = (port->flags & ~UPF_CHANGE_MASK) |
+ uport->irq = new_serial.irq;
+ if (!(uport->flags & UPF_FIXED_PORT))
+ uport->uartclk = new_serial.baud_base * 16;
+ uport->flags = (uport->flags & ~UPF_CHANGE_MASK) |
(new_flags & UPF_CHANGE_MASK);
- port->custom_divisor = new_serial.custom_divisor;
- state->close_delay = close_delay;
- state->closing_wait = closing_wait;
+ uport->custom_divisor = new_serial.custom_divisor;
+ port->close_delay = close_delay;
+ port->closing_wait = closing_wait;
if (new_serial.xmit_fifo_size)
- port->fifosize = new_serial.xmit_fifo_size;
- if (state->info.port.tty)
- state->info.port.tty->low_latency =
- (port->flags & UPF_LOW_LATENCY) ? 1 : 0;
+ uport->fifosize = new_serial.xmit_fifo_size;
+ if (port->tty)
+ port->tty->low_latency =
+ (uport->flags & UPF_LOW_LATENCY) ? 1 : 0;
check_and_exit:
retval = 0;
- if (port->type == PORT_UNKNOWN)
+ if (uport->type == PORT_UNKNOWN)
goto exit;
- if (state->info.flags & UIF_INITIALIZED) {
- if (((old_flags ^ port->flags) & UPF_SPD_MASK) ||
- old_custom_divisor != port->custom_divisor) {
+ if (port->flags & ASYNC_INITIALIZED) {
+ if (((old_flags ^ uport->flags) & UPF_SPD_MASK) ||
+ old_custom_divisor != uport->custom_divisor) {
/*
* If they're setting up a custom divisor or speed,
* instead of clearing it, then bitch about it. No
* need to rate-limit; it's CAP_SYS_ADMIN only.
*/
- if (port->flags & UPF_SPD_MASK) {
+ if (uport->flags & UPF_SPD_MASK) {
char buf[64];
printk(KERN_NOTICE
"%s sets custom speed on %s. This "
"is deprecated.\n", current->comm,
- tty_name(state->info.port.tty, buf));
+ tty_name(port->tty, buf));
}
uart_change_speed(state, NULL);
}
} else
retval = uart_startup(state, 1);
exit:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return retval;
}
@@ -880,10 +879,11 @@ static int uart_set_info(struct uart_state *state,
static int uart_get_lsr_info(struct uart_state *state,
unsigned int __user *value)
{
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned int result;
- result = port->ops->tx_empty(port);
+ result = uport->ops->tx_empty(uport);
/*
* If we're about to load something into the transmit
@@ -891,9 +891,9 @@ static int uart_get_lsr_info(struct uart_state *state,
* avoid a race condition (depending on when the transmit
* interrupt happens).
*/
- if (port->x_char ||
- ((uart_circ_chars_pending(&state->info.xmit) > 0) &&
- !state->info.port.tty->stopped && !state->info.port.tty->hw_stopped))
+ if (uport->x_char ||
+ ((uart_circ_chars_pending(&state->xmit) > 0) &&
+ !port->tty->stopped && !port->tty->hw_stopped))
result &= ~TIOCSER_TEMT;
return put_user(result, value);
@@ -902,19 +902,20 @@ static int uart_get_lsr_info(struct uart_state *state,
static int uart_tiocmget(struct tty_struct *tty, struct file *file)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct tty_port *port = &state->port;
+ struct uart_port *uport = state->uart_port;
int result = -EIO;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if ((!file || !tty_hung_up_p(file)) &&
!(tty->flags & (1 << TTY_IO_ERROR))) {
- result = port->mctrl;
+ result = uport->mctrl;
- spin_lock_irq(&port->lock);
- result |= port->ops->get_mctrl(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ result |= uport->ops->get_mctrl(uport);
+ spin_unlock_irq(&uport->lock);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return result;
}
@@ -924,36 +925,39 @@ uart_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
int ret = -EIO;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if ((!file || !tty_hung_up_p(file)) &&
!(tty->flags & (1 << TTY_IO_ERROR))) {
- uart_update_mctrl(port, set, clear);
+ uart_update_mctrl(uport, set, clear);
ret = 0;
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return ret;
}
static int uart_break_ctl(struct tty_struct *tty, int break_state)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct tty_port *port = &state->port;
+ struct uart_port *uport = state->uart_port;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
- if (port->type != PORT_UNKNOWN)
- port->ops->break_ctl(port, break_state);
+ if (uport->type != PORT_UNKNOWN)
+ uport->ops->break_ctl(uport, break_state);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
static int uart_do_autoconfig(struct uart_state *state)
{
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
int flags, ret;
if (!capable(CAP_SYS_ADMIN))
@@ -964,33 +968,33 @@ static int uart_do_autoconfig(struct uart_state *state)
* changing, and hence any extra opens of the port while
* we're auto-configuring.
*/
- if (mutex_lock_interruptible(&state->mutex))
+ if (mutex_lock_interruptible(&port->mutex))
return -ERESTARTSYS;
ret = -EBUSY;
- if (uart_users(state) == 1) {
+ if (tty_port_users(port) == 1) {
uart_shutdown(state);
/*
* If we already have a port type configured,
* we must release its resources.
*/
- if (port->type != PORT_UNKNOWN)
- port->ops->release_port(port);
+ if (uport->type != PORT_UNKNOWN)
+ uport->ops->release_port(uport);
flags = UART_CONFIG_TYPE;
- if (port->flags & UPF_AUTO_IRQ)
+ if (uport->flags & UPF_AUTO_IRQ)
flags |= UART_CONFIG_IRQ;
/*
* This will claim the ports resources if
* a port is found.
*/
- port->ops->config_port(port, flags);
+ uport->ops->config_port(uport, flags);
ret = uart_startup(state, 1);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return ret;
}
@@ -999,11 +1003,15 @@ static int uart_do_autoconfig(struct uart_state *state)
* - mask passed in arg for lines of interest
* (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
* Caller should use TIOCGICOUNT to see which one it was
+ *
+ * FIXME: This wants extracting into a common all driver implementation
+ * of TIOCMWAIT using tty_port.
*/
static int
uart_wait_modem_status(struct uart_state *state, unsigned long arg)
{
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
DECLARE_WAITQUEUE(wait, current);
struct uart_icount cprev, cnow;
int ret;
@@ -1011,20 +1019,20 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
/*
* note the counters on entry
*/
- spin_lock_irq(&port->lock);
- memcpy(&cprev, &port->icount, sizeof(struct uart_icount));
+ spin_lock_irq(&uport->lock);
+ memcpy(&cprev, &uport->icount, sizeof(struct uart_icount));
/*
* Force modem status interrupts on
*/
- port->ops->enable_ms(port);
- spin_unlock_irq(&port->lock);
+ uport->ops->enable_ms(uport);
+ spin_unlock_irq(&uport->lock);
- add_wait_queue(&state->info.delta_msr_wait, &wait);
+ add_wait_queue(&port->delta_msr_wait, &wait);
for (;;) {
- spin_lock_irq(&port->lock);
- memcpy(&cnow, &port->icount, sizeof(struct uart_icount));
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&uport->lock);
set_current_state(TASK_INTERRUPTIBLE);
@@ -1048,7 +1056,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
}
current->state = TASK_RUNNING;
- remove_wait_queue(&state->info.delta_msr_wait, &wait);
+ remove_wait_queue(&port->delta_msr_wait, &wait);
return ret;
}
@@ -1064,11 +1072,11 @@ static int uart_get_count(struct uart_state *state,
{
struct serial_icounter_struct icount;
struct uart_icount cnow;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
- spin_lock_irq(&port->lock);
- memcpy(&cnow, &port->icount, sizeof(struct uart_icount));
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&uport->lock);
icount.cts = cnow.cts;
icount.dsr = cnow.dsr;
@@ -1093,6 +1101,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
unsigned long arg)
{
struct uart_state *state = tty->driver_data;
+ struct tty_port *port = &state->port;
void __user *uarg = (void __user *)arg;
int ret = -ENOIOCTLCMD;
@@ -1143,7 +1152,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
if (ret != -ENOIOCTLCMD)
goto out;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (tty_hung_up_p(filp)) {
ret = -EIO;
@@ -1160,14 +1169,14 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
break;
default: {
- struct uart_port *port = state->port;
- if (port->ops->ioctl)
- ret = port->ops->ioctl(port, cmd, arg);
+ struct uart_port *uport = state->uart_port;
+ if (uport->ops->ioctl)
+ ret = uport->ops->ioctl(uport, cmd, arg);
break;
}
}
out_up:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
out:
return ret;
}
@@ -1175,10 +1184,10 @@ out:
static void uart_set_ldisc(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
- if (port->ops->set_ldisc)
- port->ops->set_ldisc(port);
+ if (uport->ops->set_ldisc)
+ uport->ops->set_ldisc(uport);
}
static void uart_set_termios(struct tty_struct *tty,
@@ -1207,7 +1216,7 @@ static void uart_set_termios(struct tty_struct *tty,
/* Handle transition to B0 status */
if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD))
- uart_clear_mctrl(state->port, TIOCM_RTS | TIOCM_DTR);
+ uart_clear_mctrl(state->uart_port, TIOCM_RTS | TIOCM_DTR);
/* Handle transition away from B0 status */
if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) {
@@ -1215,25 +1224,25 @@ static void uart_set_termios(struct tty_struct *tty,
if (!(cflag & CRTSCTS) ||
!test_bit(TTY_THROTTLED, &tty->flags))
mask |= TIOCM_RTS;
- uart_set_mctrl(state->port, mask);
+ uart_set_mctrl(state->uart_port, mask);
}
/* Handle turning off CRTSCTS */
if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) {
- spin_lock_irqsave(&state->port->lock, flags);
+ spin_lock_irqsave(&state->uart_port->lock, flags);
tty->hw_stopped = 0;
__uart_start(tty);
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
}
/* Handle turning on CRTSCTS */
if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) {
- spin_lock_irqsave(&state->port->lock, flags);
- if (!(state->port->ops->get_mctrl(state->port) & TIOCM_CTS)) {
+ spin_lock_irqsave(&state->uart_port->lock, flags);
+ if (!(state->uart_port->ops->get_mctrl(state->uart_port) & TIOCM_CTS)) {
tty->hw_stopped = 1;
- state->port->ops->stop_tx(state->port);
+ state->uart_port->ops->stop_tx(state->uart_port);
}
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
}
#if 0
/*
@@ -1244,7 +1253,7 @@ static void uart_set_termios(struct tty_struct *tty,
*/
if (!(old_termios->c_cflag & CLOCAL) &&
(tty->termios->c_cflag & CLOCAL))
- wake_up_interruptible(&info->port.open_wait);
+ wake_up_interruptible(&state->uart_port.open_wait);
#endif
}
@@ -1256,40 +1265,39 @@ static void uart_set_termios(struct tty_struct *tty,
static void uart_close(struct tty_struct *tty, struct file *filp)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port;
+ struct tty_port *port;
+ struct uart_port *uport;
BUG_ON(!kernel_locked());
- if (!state || !state->port)
- return;
+ uport = state->uart_port;
+ port = &state->port;
- port = state->port;
+ pr_debug("uart_close(%d) called\n", uport->line);
- pr_debug("uart_close(%d) called\n", port->line);
-
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (tty_hung_up_p(filp))
goto done;
- if ((tty->count == 1) && (state->count != 1)) {
+ if ((tty->count == 1) && (port->count != 1)) {
/*
* Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. state->count should always
+ * structure will be freed. port->count should always
* be one in these conditions. If it's greater than
* one, we've got real problems, since it means the
* serial port won't be shutdown.
*/
printk(KERN_ERR "uart_close: bad serial port count; tty->count is 1, "
- "state->count is %d\n", state->count);
- state->count = 1;
+ "port->count is %d\n", port->count);
+ port->count = 1;
}
- if (--state->count < 0) {
+ if (--port->count < 0) {
printk(KERN_ERR "uart_close: bad serial port count for %s: %d\n",
- tty->name, state->count);
- state->count = 0;
+ tty->name, port->count);
+ port->count = 0;
}
- if (state->count)
+ if (port->count)
goto done;
/*
@@ -1299,24 +1307,24 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
*/
tty->closing = 1;
- if (state->closing_wait != USF_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, msecs_to_jiffies(state->closing_wait));
+ if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
+ tty_wait_until_sent(tty, msecs_to_jiffies(port->closing_wait));
/*
* At this point, we stop accepting input. To do this, we
* disable the receive line status interrupts.
*/
- if (state->info.flags & UIF_INITIALIZED) {
+ if (port->flags & ASYNC_INITIALIZED) {
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
- port->ops->stop_rx(port);
+ uport->ops->stop_rx(uport);
spin_unlock_irqrestore(&port->lock, flags);
/*
* Before we drop DTR, make sure the UART transmitter
* has completely drained; this is especially
* important if there is a transmit FIFO!
*/
- uart_wait_until_sent(tty, port->timeout);
+ uart_wait_until_sent(tty, uport->timeout);
}
uart_shutdown(state);
@@ -1325,29 +1333,29 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
tty_ldisc_flush(tty);
tty->closing = 0;
- state->info.port.tty = NULL;
+ tty_port_tty_set(port, NULL);
- if (state->info.port.blocked_open) {
- if (state->close_delay)
- msleep_interruptible(state->close_delay);
- } else if (!uart_console(port)) {
+ if (port->blocked_open) {
+ if (port->close_delay)
+ msleep_interruptible(port->close_delay);
+ } else if (!uart_console(uport)) {
uart_change_pm(state, 3);
}
/*
* Wake up anyone trying to open this port.
*/
- state->info.flags &= ~UIF_NORMAL_ACTIVE;
- wake_up_interruptible(&state->info.port.open_wait);
+ clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
+ wake_up_interruptible(&port->open_wait);
- done:
- mutex_unlock(&state->mutex);
+done:
+ mutex_unlock(&port->mutex);
}
static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long char_time, expire;
if (port->type == PORT_UNKNOWN || port->fifosize == 0)
@@ -1412,22 +1420,22 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
static void uart_hangup(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_info *info = &state->info;
+ struct tty_port *port = &state->port;
BUG_ON(!kernel_locked());
- pr_debug("uart_hangup(%d)\n", state->port->line);
+ pr_debug("uart_hangup(%d)\n", state->uart_port->line);
- mutex_lock(&state->mutex);
- if (info->flags & UIF_NORMAL_ACTIVE) {
+ mutex_lock(&port->mutex);
+ if (port->flags & ASYNC_NORMAL_ACTIVE) {
uart_flush_buffer(tty);
uart_shutdown(state);
- state->count = 0;
- info->flags &= ~UIF_NORMAL_ACTIVE;
- info->port.tty = NULL;
- wake_up_interruptible(&info->port.open_wait);
- wake_up_interruptible(&info->delta_msr_wait);
+ port->count = 0;
+ clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
+ tty_port_tty_set(port, NULL);
+ wake_up_interruptible(&port->open_wait);
+ wake_up_interruptible(&port->delta_msr_wait);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
}
/*
@@ -1438,8 +1446,8 @@ static void uart_hangup(struct tty_struct *tty)
*/
static void uart_update_termios(struct uart_state *state)
{
- struct tty_struct *tty = state->info.port.tty;
- struct uart_port *port = state->port;
+ struct tty_struct *tty = state->port.tty;
+ struct uart_port *port = state->uart_port;
if (uart_console(port) && port->cons->cflag) {
tty->termios->c_cflag = port->cons->cflag;
@@ -1473,27 +1481,27 @@ static int
uart_block_til_ready(struct file *filp, struct uart_state *state)
{
DECLARE_WAITQUEUE(wait, current);
- struct uart_info *info = &state->info;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned int mctrl;
- info->port.blocked_open++;
- state->count--;
+ port->blocked_open++;
+ port->count--;
- add_wait_queue(&info->port.open_wait, &wait);
+ add_wait_queue(&port->open_wait, &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
/*
* If we have been hung up, tell userspace/restart open.
*/
- if (tty_hung_up_p(filp) || info->port.tty == NULL)
+ if (tty_hung_up_p(filp) || port->tty == NULL)
break;
/*
* If the port has been closed, tell userspace/restart open.
*/
- if (!(info->flags & UIF_INITIALIZED))
+ if (!(port->flags & ASYNC_INITIALIZED))
break;
/*
@@ -1506,8 +1514,8 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
* have set TTY_IO_ERROR for a non-existant port.
*/
if ((filp->f_flags & O_NONBLOCK) ||
- (info->port.tty->termios->c_cflag & CLOCAL) ||
- (info->port.tty->flags & (1 << TTY_IO_ERROR)))
+ (port->tty->termios->c_cflag & CLOCAL) ||
+ (port->tty->flags & (1 << TTY_IO_ERROR)))
break;
/*
@@ -1515,37 +1523,37 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
* not set RTS here - we want to make sure we catch
* the data from the modem.
*/
- if (info->port.tty->termios->c_cflag & CBAUD)
- uart_set_mctrl(port, TIOCM_DTR);
+ if (port->tty->termios->c_cflag & CBAUD)
+ uart_set_mctrl(uport, TIOCM_DTR);
/*
* and wait for the carrier to indicate that the
* modem is ready for us.
*/
- spin_lock_irq(&port->lock);
- port->ops->enable_ms(port);
- mctrl = port->ops->get_mctrl(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ uport->ops->enable_ms(uport);
+ mctrl = uport->ops->get_mctrl(uport);
+ spin_unlock_irq(&uport->lock);
if (mctrl & TIOCM_CAR)
break;
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
schedule();
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (signal_pending(current))
break;
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->port.open_wait, &wait);
+ remove_wait_queue(&port->open_wait, &wait);
- state->count++;
- info->port.blocked_open--;
+ port->count++;
+ port->blocked_open--;
if (signal_pending(current))
return -ERESTARTSYS;
- if (!info->port.tty || tty_hung_up_p(filp))
+ if (!port->tty || tty_hung_up_p(filp))
return -EAGAIN;
return 0;
@@ -1554,24 +1562,26 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
static struct uart_state *uart_get(struct uart_driver *drv, int line)
{
struct uart_state *state;
+ struct tty_port *port;
int ret = 0;
state = drv->state + line;
- if (mutex_lock_interruptible(&state->mutex)) {
+ port = &state->port;
+ if (mutex_lock_interruptible(&port->mutex)) {
ret = -ERESTARTSYS;
goto err;
}
- state->count++;
- if (!state->port || state->port->flags & UPF_DEAD) {
+ port->count++;
+ if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
ret = -ENXIO;
goto err_unlock;
}
return state;
err_unlock:
- state->count--;
- mutex_unlock(&state->mutex);
+ port->count--;
+ mutex_unlock(&port->mutex);
err:
return ERR_PTR(ret);
}
@@ -1590,6 +1600,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
{
struct uart_driver *drv = (struct uart_driver *)tty->driver->driver_state;
struct uart_state *state;
+ struct tty_port *port;
int retval, line = tty->index;
BUG_ON(!kernel_locked());
@@ -1606,16 +1617,18 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
/*
* We take the semaphore inside uart_get to guarantee that we won't
- * be re-entered while allocating the info structure, or while we
+ * be re-entered while allocating the state structure, or while we
* request any IRQs that the driver may need. This also has the nice
* side-effect that it delays the action of uart_hangup, so we can
- * guarantee that info->port.tty will always contain something reasonable.
+ * guarantee that state->port.tty will always contain something
+ * reasonable.
*/
state = uart_get(drv, line);
if (IS_ERR(state)) {
retval = PTR_ERR(state);
goto fail;
}
+ port = &state->port;
/*
* Once we set tty->driver_data here, we are guaranteed that
@@ -1623,25 +1636,25 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
* Any failures from here onwards should not touch the count.
*/
tty->driver_data = state;
- state->port->info = &state->info;
- tty->low_latency = (state->port->flags & UPF_LOW_LATENCY) ? 1 : 0;
+ state->uart_port->state = state;
+ tty->low_latency = (state->uart_port->flags & UPF_LOW_LATENCY) ? 1 : 0;
tty->alt_speed = 0;
- state->info.port.tty = tty;
+ tty_port_tty_set(port, tty);
/*
* If the port is in the middle of closing, bail out now.
*/
if (tty_hung_up_p(filp)) {
retval = -EAGAIN;
- state->count--;
- mutex_unlock(&state->mutex);
+ port->count--;
+ mutex_unlock(&port->mutex);
goto fail;
}
/*
* Make sure the device is in D0 state.
*/
- if (state->count == 1)
+ if (port->count == 1)
uart_change_pm(state, 0);
/*
@@ -1654,18 +1667,18 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
*/
if (retval == 0)
retval = uart_block_til_ready(filp, state);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
/*
* If this is the first open to succeed, adjust things to suit.
*/
- if (retval == 0 && !(state->info.flags & UIF_NORMAL_ACTIVE)) {
- state->info.flags |= UIF_NORMAL_ACTIVE;
+ if (retval == 0 && !(port->flags & ASYNC_NORMAL_ACTIVE)) {
+ set_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
uart_update_termios(state);
}
- fail:
+fail:
return retval;
}
@@ -1687,57 +1700,58 @@ static const char *uart_type(struct uart_port *port)
static void uart_line_info(struct seq_file *m, struct uart_driver *drv, int i)
{
struct uart_state *state = drv->state + i;
+ struct tty_port *port = &state->port;
int pm_state;
- struct uart_port *port = state->port;
+ struct uart_port *uport = state->uart_port;
char stat_buf[32];
unsigned int status;
int mmio;
- if (!port)
+ if (!uport)
return;
- mmio = port->iotype >= UPIO_MEM;
+ mmio = uport->iotype >= UPIO_MEM;
seq_printf(m, "%d: uart:%s %s%08llX irq:%d",
- port->line, uart_type(port),
+ uport->line, uart_type(uport),
mmio ? "mmio:0x" : "port:",
- mmio ? (unsigned long long)port->mapbase
- : (unsigned long long) port->iobase,
- port->irq);
+ mmio ? (unsigned long long)uport->mapbase
+ : (unsigned long long)uport->iobase,
+ uport->irq);
- if (port->type == PORT_UNKNOWN) {
+ if (uport->type == PORT_UNKNOWN) {
seq_putc(m, '\n');
return;
}
if (capable(CAP_SYS_ADMIN)) {
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
pm_state = state->pm_state;
if (pm_state)
uart_change_pm(state, 0);
- spin_lock_irq(&port->lock);
- status = port->ops->get_mctrl(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ status = uport->ops->get_mctrl(uport);
+ spin_unlock_irq(&uport->lock);
if (pm_state)
uart_change_pm(state, pm_state);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
seq_printf(m, " tx:%d rx:%d",
- port->icount.tx, port->icount.rx);
- if (port->icount.frame)
+ uport->icount.tx, uport->icount.rx);
+ if (uport->icount.frame)
seq_printf(m, " fe:%d",
- port->icount.frame);
- if (port->icount.parity)
+ uport->icount.frame);
+ if (uport->icount.parity)
seq_printf(m, " pe:%d",
- port->icount.parity);
- if (port->icount.brk)
+ uport->icount.parity);
+ if (uport->icount.brk)
seq_printf(m, " brk:%d",
- port->icount.brk);
- if (port->icount.overrun)
+ uport->icount.brk);
+ if (uport->icount.overrun)
seq_printf(m, " oe:%d",
- port->icount.overrun);
+ uport->icount.overrun);
#define INFOBIT(bit, str) \
- if (port->mctrl & (bit)) \
+ if (uport->mctrl & (bit)) \
strncat(stat_buf, (str), sizeof(stat_buf) - \
strlen(stat_buf) - 2)
#define STATBIT(bit, str) \
@@ -1958,7 +1972,7 @@ EXPORT_SYMBOL_GPL(uart_set_options);
static void uart_change_pm(struct uart_state *state, int pm_state)
{
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
if (state->pm_state != pm_state) {
if (port->ops->pm)
@@ -1982,132 +1996,138 @@ static int serial_match_port(struct device *dev, void *data)
return dev->devt == devt; /* Actually, only one tty per port */
}
-int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
+int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
{
- struct uart_state *state = drv->state + port->line;
+ struct uart_state *state = drv->state + uport->line;
+ struct tty_port *port = &state->port;
struct device *tty_dev;
- struct uart_match match = {port, drv};
+ struct uart_match match = {uport, drv};
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
- if (!console_suspend_enabled && uart_console(port)) {
+ if (!console_suspend_enabled && uart_console(uport)) {
/* we're going to avoid suspending serial console */
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
- tty_dev = device_find_child(port->dev, &match, serial_match_port);
+ tty_dev = device_find_child(uport->dev, &match, serial_match_port);
if (device_may_wakeup(tty_dev)) {
- enable_irq_wake(port->irq);
+ enable_irq_wake(uport->irq);
put_device(tty_dev);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
- port->suspended = 1;
+ uport->suspended = 1;
- if (state->info.flags & UIF_INITIALIZED) {
- const struct uart_ops *ops = port->ops;
+ if (port->flags & ASYNC_INITIALIZED) {
+ const struct uart_ops *ops = uport->ops;
int tries;
- state->info.flags = (state->info.flags & ~UIF_INITIALIZED)
- | UIF_SUSPENDED;
+ set_bit(ASYNCB_SUSPENDED, &port->flags);
+ clear_bit(ASYNCB_INITIALIZED, &port->flags);
- spin_lock_irq(&port->lock);
- ops->stop_tx(port);
- ops->set_mctrl(port, 0);
- ops->stop_rx(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ ops->stop_tx(uport);
+ ops->set_mctrl(uport, 0);
+ ops->stop_rx(uport);
+ spin_unlock_irq(&uport->lock);
/*
* Wait for the transmitter to empty.
*/
- for (tries = 3; !ops->tx_empty(port) && tries; tries--)
+ for (tries = 3; !ops->tx_empty(uport) && tries; tries--)
msleep(10);
if (!tries)
printk(KERN_ERR "%s%s%s%d: Unable to drain "
"transmitter\n",
- port->dev ? dev_name(port->dev) : "",
- port->dev ? ": " : "",
+ uport->dev ? dev_name(uport->dev) : "",
+ uport->dev ? ": " : "",
drv->dev_name,
- drv->tty_driver->name_base + port->line);
+ drv->tty_driver->name_base + uport->line);
- ops->shutdown(port);
+ ops->shutdown(uport);
}
/*
* Disable the console device before suspending.
*/
- if (uart_console(port))
- console_stop(port->cons);
+ if (uart_console(uport))
+ console_stop(uport->cons);
uart_change_pm(state, 3);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
-int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
+int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
{
- struct uart_state *state = drv->state + port->line;
+ struct uart_state *state = drv->state + uport->line;
+ struct tty_port *port = &state->port;
struct device *tty_dev;
- struct uart_match match = {port, drv};
+ struct uart_match match = {uport, drv};
+ struct ktermios termios;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
- if (!console_suspend_enabled && uart_console(port)) {
+ if (!console_suspend_enabled && uart_console(uport)) {
/* no need to resume serial console, it wasn't suspended */
- mutex_unlock(&state->mutex);
+ /*
+ * First try to use the console cflag setting.
+ */
+ memset(&termios, 0, sizeof(struct ktermios));
+ termios.c_cflag = uport->cons->cflag;
+ /*
+ * If that's unset, use the tty termios setting.
+ */
+ if (termios.c_cflag == 0)
+ termios = *state->port.tty->termios;
+ else {
+ termios.c_ispeed = termios.c_ospeed =
+ tty_termios_input_baud_rate(&termios);
+ termios.c_ispeed = termios.c_ospeed =
+ tty_termios_baud_rate(&termios);
+ }
+ uport->ops->set_termios(uport, &termios, NULL);
+ mutex_unlock(&port->mutex);
return 0;
}
- tty_dev = device_find_child(port->dev, &match, serial_match_port);
- if (!port->suspended && device_may_wakeup(tty_dev)) {
- disable_irq_wake(port->irq);
- mutex_unlock(&state->mutex);
+ tty_dev = device_find_child(uport->dev, &match, serial_match_port);
+ if (!uport->suspended && device_may_wakeup(tty_dev)) {
+ disable_irq_wake(uport->irq);
+ mutex_unlock(&port->mutex);
return 0;
}
- port->suspended = 0;
+ uport->suspended = 0;
/*
* Re-enable the console device after suspending.
*/
- if (uart_console(port)) {
- struct ktermios termios;
-
- /*
- * First try to use the console cflag setting.
- */
- memset(&termios, 0, sizeof(struct ktermios));
- termios.c_cflag = port->cons->cflag;
-
- /*
- * If that's unset, use the tty termios setting.
- */
- if (state->info.port.tty && termios.c_cflag == 0)
- termios = *state->info.port.tty->termios;
-
+ if (uart_console(uport)) {
uart_change_pm(state, 0);
- port->ops->set_termios(port, &termios, NULL);
- console_start(port->cons);
+ uport->ops->set_termios(uport, &termios, NULL);
+ console_start(uport->cons);
}
- if (state->info.flags & UIF_SUSPENDED) {
- const struct uart_ops *ops = port->ops;
+ if (port->flags & ASYNC_SUSPENDED) {
+ const struct uart_ops *ops = uport->ops;
int ret;
uart_change_pm(state, 0);
- spin_lock_irq(&port->lock);
- ops->set_mctrl(port, 0);
- spin_unlock_irq(&port->lock);
- ret = ops->startup(port);
+ spin_lock_irq(&uport->lock);
+ ops->set_mctrl(uport, 0);
+ spin_unlock_irq(&uport->lock);
+ ret = ops->startup(uport);
if (ret == 0) {
uart_change_speed(state, NULL);
- spin_lock_irq(&port->lock);
- ops->set_mctrl(port, port->mctrl);
- ops->start_tx(port);
- spin_unlock_irq(&port->lock);
- state->info.flags |= UIF_INITIALIZED;
+ spin_lock_irq(&uport->lock);
+ ops->set_mctrl(uport, uport->mctrl);
+ ops->start_tx(uport);
+ spin_unlock_irq(&uport->lock);
+ set_bit(ASYNCB_INITIALIZED, &port->flags);
} else {
/*
* Failed to resume - maybe hardware went away?
@@ -2117,10 +2137,10 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
uart_shutdown(state);
}
- state->info.flags &= ~UIF_SUSPENDED;
+ clear_bit(ASYNCB_SUSPENDED, &port->flags);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
@@ -2232,10 +2252,10 @@ static int uart_poll_init(struct tty_driver *driver, int line, char *options)
int parity = 'n';
int flow = 'n';
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return -1;
- port = state->port;
+ port = state->uart_port;
if (!(port->ops->poll_get_char && port->ops->poll_put_char))
return -1;
@@ -2253,10 +2273,10 @@ static int uart_poll_get_char(struct tty_driver *driver, int line)
struct uart_state *state = drv->state + line;
struct uart_port *port;
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return -1;
- port = state->port;
+ port = state->uart_port;
return port->ops->poll_get_char(port);
}
@@ -2266,10 +2286,10 @@ static void uart_poll_put_char(struct tty_driver *driver, int line, char ch)
struct uart_state *state = drv->state + line;
struct uart_port *port;
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return;
- port = state->port;
+ port = state->uart_port;
port->ops->poll_put_char(port, ch);
}
#endif
@@ -2360,14 +2380,12 @@ int uart_register_driver(struct uart_driver *drv)
*/
for (i = 0; i < drv->nr; i++) {
struct uart_state *state = drv->state + i;
+ struct tty_port *port = &state->port;
- state->close_delay = 500; /* .5 seconds */
- state->closing_wait = 30000; /* 30 seconds */
- mutex_init(&state->mutex);
-
- tty_port_init(&state->info.port);
- init_waitqueue_head(&state->info.delta_msr_wait);
- tasklet_init(&state->info.tlet, uart_tasklet_action,
+ tty_port_init(port);
+ port->close_delay = 500; /* .5 seconds */
+ port->closing_wait = 30000; /* 30 seconds */
+ tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
}
@@ -2408,69 +2426,71 @@ struct tty_driver *uart_console_device(struct console *co, int *index)
/**
* uart_add_one_port - attach a driver-defined port structure
* @drv: pointer to the uart low level driver structure for this port
- * @port: uart port structure to use for this port.
+ * @uport: uart port structure to use for this port.
*
* This allows the driver to register its own uart_port structure
* with the core driver. The main purpose is to allow the low
* level uart drivers to expand uart_port, rather than having yet
* more levels of structures.
*/
-int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
+int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport)
{
struct uart_state *state;
+ struct tty_port *port;
int ret = 0;
struct device *tty_dev;
BUG_ON(in_interrupt());
- if (port->line >= drv->nr)
+ if (uport->line >= drv->nr)
return -EINVAL;
- state = drv->state + port->line;
+ state = drv->state + uport->line;
+ port = &state->port;
mutex_lock(&port_mutex);
- mutex_lock(&state->mutex);
- if (state->port) {
+ mutex_lock(&port->mutex);
+ if (state->uart_port) {
ret = -EINVAL;
goto out;
}
- state->port = port;
+ state->uart_port = uport;
state->pm_state = -1;
- port->cons = drv->cons;
- port->info = &state->info;
+ uport->cons = drv->cons;
+ uport->state = state;
/*
* If this port is a console, then the spinlock is already
* initialised.
*/
- if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) {
- spin_lock_init(&port->lock);
- lockdep_set_class(&port->lock, &port_lock_key);
+ if (!(uart_console(uport) && (uport->cons->flags & CON_ENABLED))) {
+ spin_lock_init(&uport->lock);
+ lockdep_set_class(&uport->lock, &port_lock_key);
}
- uart_configure_port(drv, state, port);
+ uart_configure_port(drv, state, uport);
/*
* Register the port whether it's detected or not. This allows
* setserial to be used to alter this ports parameters.
*/
- tty_dev = tty_register_device(drv->tty_driver, port->line, port->dev);
+ tty_dev = tty_register_device(drv->tty_driver, uport->line, uport->dev);
if (likely(!IS_ERR(tty_dev))) {
device_init_wakeup(tty_dev, 1);
device_set_wakeup_enable(tty_dev, 0);
} else
printk(KERN_ERR "Cannot register tty device on line %d\n",
- port->line);
+ uport->line);
/*
* Ensure UPF_DEAD is not set.
*/
- port->flags &= ~UPF_DEAD;
+ uport->flags &= ~UPF_DEAD;
out:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
mutex_unlock(&port_mutex);
return ret;
@@ -2479,22 +2499,22 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
/**
* uart_remove_one_port - detach a driver defined port structure
* @drv: pointer to the uart low level driver structure for this port
- * @port: uart port structure for this port
+ * @uport: uart port structure for this port
*
* This unhooks (and hangs up) the specified port structure from the
* core driver. No further calls will be made to the low-level code
* for this port.
*/
-int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
+int uart_remove_one_port(struct uart_driver *drv, struct uart_port *uport)
{
- struct uart_state *state = drv->state + port->line;
- struct uart_info *info;
+ struct uart_state *state = drv->state + uport->line;
+ struct tty_port *port = &state->port;
BUG_ON(in_interrupt());
- if (state->port != port)
+ if (state->uart_port != uport)
printk(KERN_ALERT "Removing wrong port: %p != %p\n",
- state->port, port);
+ state->uart_port, uport);
mutex_lock(&port_mutex);
@@ -2502,37 +2522,35 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
* Mark the port "dead" - this prevents any opens from
* succeeding while we shut down the port.
*/
- mutex_lock(&state->mutex);
- port->flags |= UPF_DEAD;
- mutex_unlock(&state->mutex);
+ mutex_lock(&port->mutex);
+ uport->flags |= UPF_DEAD;
+ mutex_unlock(&port->mutex);
/*
* Remove the devices from the tty layer
*/
- tty_unregister_device(drv->tty_driver, port->line);
+ tty_unregister_device(drv->tty_driver, uport->line);
- info = &state->info;
- if (info && info->port.tty)
- tty_vhangup(info->port.tty);
+ if (port->tty)
+ tty_vhangup(port->tty);
/*
* Free the port IO and memory resources, if any.
*/
- if (port->type != PORT_UNKNOWN)
- port->ops->release_port(port);
+ if (uport->type != PORT_UNKNOWN)
+ uport->ops->release_port(uport);
/*
* Indicate that there isn't a port here anymore.
*/
- port->type = PORT_UNKNOWN;
+ uport->type = PORT_UNKNOWN;
/*
* Kill the tasklet, and free resources.
*/
- if (info)
- tasklet_kill(&info->tlet);
+ tasklet_kill(&state->tlet);
- state->port = NULL;
+ state->uart_port = NULL;
mutex_unlock(&port_mutex);
return 0;
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 79c9c5f5cdb..a3bb49031a7 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -868,11 +868,11 @@ static struct pcmcia_device_id serial_ids[] = {
PCMCIA_DEVICE_PROD_ID12("PCMCIA ", "C336MX ", 0x99bcafe9, 0xaa25bcab),
PCMCIA_DEVICE_PROD_ID12("Quatech Inc", "PCMCIA Dual RS-232 Serial Port Card", 0xc4420b35, 0x92abc92f),
PCMCIA_DEVICE_PROD_ID12("Quatech Inc", "Dual RS-232 Serial Port PC Card", 0xc4420b35, 0x031a380d),
- PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "PCMCIA", "EN2218-LAN/MODEM", 0x281f1c5d, 0x570f348e, "PCMLM28.cis"),
- PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "PCMCIA", "UE2218-LAN/MODEM", 0x281f1c5d, 0x6fdcacee, "PCMLM28.cis"),
- PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "Psion Dacom", "Gold Card V34 Ethernet", 0xf5f025c2, 0x338e8155, "PCMLM28.cis"),
- PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "Psion Dacom", "Gold Card V34 Ethernet GSM", 0xf5f025c2, 0x4ae85d35, "PCMLM28.cis"),
- PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "LINKSYS", "PCMLM28", 0xf7cb0b07, 0x66881874, "PCMLM28.cis"),
+ PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "PCMCIA", "EN2218-LAN/MODEM", 0x281f1c5d, 0x570f348e, "cis/PCMLM28.cis"),
+ PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "PCMCIA", "UE2218-LAN/MODEM", 0x281f1c5d, 0x6fdcacee, "cis/PCMLM28.cis"),
+ PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "Psion Dacom", "Gold Card V34 Ethernet", 0xf5f025c2, 0x338e8155, "cis/PCMLM28.cis"),
+ PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "Psion Dacom", "Gold Card V34 Ethernet GSM", 0xf5f025c2, 0x4ae85d35, "cis/PCMLM28.cis"),
+ PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "LINKSYS", "PCMLM28", 0xf7cb0b07, 0x66881874, "cis/PCMLM28.cis"),
PCMCIA_MFC_DEVICE_CIS_PROD_ID12(1, "DAYNA COMMUNICATIONS", "LAN AND MODEM MULTIFUNCTION", 0x8fdf8f89, 0xdd5ed9e8, "DP83903.cis"),
PCMCIA_MFC_DEVICE_CIS_PROD_ID4(1, "NSC MF LAN/Modem", 0x58fc6056, "DP83903.cis"),
PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x0556, "cis/3CCFEM556.cis"),
@@ -883,10 +883,11 @@ static struct pcmcia_device_id serial_ids[] = {
PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0x0710, "SW_7xx_SER.cis"), /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */
PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */
PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */
- PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "MT5634ZLX.cis"),
+ PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "cis/MT5634ZLX.cis"),
+ PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-2", 0x96913a85, 0x27ab5437, "COMpad2.cis"),
PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"),
PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"),
- PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "RS-COM-2P.cis"),
+ PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "cis/RS-COM-2P.cis"),
PCMCIA_DEVICE_CIS_MANF_CARD(0x0013, 0x0000, "GLOBETROTTER.cis"),
PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100 1.00.",0x19ca78af,0xf964f42b),
PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100",0x19ca78af,0x71d98e83),
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index e0665630e4d..2e71bbc04da 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -110,7 +110,11 @@ static struct console ks8695_console;
static void ks8695uart_stop_tx(struct uart_port *port)
{
if (tx_enabled(port)) {
- disable_irq(KS8695_IRQ_UART_TX);
+ /* use disable_irq_nosync() and not disable_irq() to avoid self
+ * imposed deadlock by not waiting for irq handler to end,
+ * since this ks8695uart_stop_tx() is called from interrupt context.
+ */
+ disable_irq_nosync(KS8695_IRQ_UART_TX);
tx_enable(port, 0);
}
}
@@ -150,7 +154,7 @@ static void ks8695uart_disable_ms(struct uart_port *port)
static irqreturn_t ks8695uart_rx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int status, ch, lsr, flg, max_count = 256;
status = UART_GET_LSR(port); /* clears pending LSR interrupts */
@@ -206,7 +210,7 @@ ignore_char:
static irqreturn_t ks8695uart_tx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
unsigned int count;
if (port->x_char) {
@@ -262,7 +266,7 @@ static irqreturn_t ks8695uart_modem_status(int irq, void *dev_id)
if (status & URMS_URTERI)
port->icount.rng++;
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
return IRQ_HANDLED;
}
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index a7bf024a828..ea744707c4d 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -138,7 +138,7 @@ static void lh7a40xuart_enable_ms (struct uart_port* port)
static void lh7a40xuart_rx_chars (struct uart_port* port)
{
- struct tty_struct* tty = port->info->port.tty;
+ struct tty_struct* tty = port->state->port.tty;
int cbRxMax = 256; /* (Gross) limit on receive */
unsigned int data; /* Received data and status */
unsigned int flag;
@@ -184,7 +184,7 @@ static void lh7a40xuart_rx_chars (struct uart_port* port)
static void lh7a40xuart_tx_chars (struct uart_port* port)
{
- struct circ_buf* xmit = &port->info->xmit;
+ struct circ_buf* xmit = &port->state->xmit;
int cbTxMax = port->fifosize;
if (port->x_char) {
@@ -241,7 +241,7 @@ static void lh7a40xuart_modem_status (struct uart_port* port)
if (delta & CTS)
uart_handle_cts_change (port, status & CTS);
- wake_up_interruptible (&port->info->delta_msr_wait);
+ wake_up_interruptible (&port->state->port.delta_msr_wait);
}
static irqreturn_t lh7a40xuart_int (int irq, void* dev_id)
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 54dd16d66a4..0f7cf4c453e 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -272,7 +272,7 @@ static void serial_txx9_initialize(struct uart_port *port)
static inline void
receive_chars(struct uart_txx9_port *up, unsigned int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch;
unsigned int disr = *status;
int max_count = 256;
@@ -348,7 +348,7 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status)
static inline void transmit_chars(struct uart_txx9_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 8e2feb56334..85119fb7cb5 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -272,7 +272,8 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
__raw_writew(data, PSCR);
}
}
-#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7763) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785) || \
defined(CONFIG_CPU_SUBTYPE_SH7786) || \
@@ -360,7 +361,7 @@ static inline int sci_rxroom(struct uart_port *port)
static void sci_transmit_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
unsigned int stopped = uart_tx_stopped(port);
unsigned short status;
unsigned short ctrl;
@@ -425,7 +426,7 @@ static void sci_transmit_chars(struct uart_port *port)
static inline void sci_receive_chars(struct uart_port *port)
{
struct sci_port *sci_port = to_sci_port(port);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
int i, count, copied = 0;
unsigned short status;
unsigned char flag;
@@ -545,7 +546,7 @@ static inline int sci_handle_errors(struct uart_port *port)
{
int copied = 0;
unsigned short status = sci_in(port, SCxSR);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
if (status & SCxSR_ORER(port)) {
/* overrun error */
@@ -599,7 +600,7 @@ static inline int sci_handle_errors(struct uart_port *port)
static inline int sci_handle_fifo_overrun(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
int copied = 0;
if (port->type != PORT_SCIF)
@@ -622,7 +623,7 @@ static inline int sci_handle_breaks(struct uart_port *port)
{
int copied = 0;
unsigned short status = sci_in(port, SCxSR);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct sci_port *s = to_sci_port(port);
if (uart_handle_break(port))
@@ -662,10 +663,11 @@ static irqreturn_t sci_rx_interrupt(int irq, void *port)
static irqreturn_t sci_tx_interrupt(int irq, void *ptr)
{
struct uart_port *port = ptr;
+ unsigned long flags;
- spin_lock_irq(&port->lock);
+ spin_lock_irqsave(&port->lock, flags);
sci_transmit_chars(port);
- spin_unlock_irq(&port->lock);
+ spin_unlock_irqrestore(&port->lock, flags);
return IRQ_HANDLED;
}
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 38072c15b84..3e2fcf93b42 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -112,6 +112,13 @@
#elif defined(CONFIG_H8S2678)
# define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+# define SCSPTR0 0xfe4b0020
+# define SCSPTR1 0xfe4b0020
+# define SCSPTR2 0xfe4b0020
+# define SCIF_ORER 0x0001
+# define SCSCR_INIT(port) 0x38
+# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
# define SCSPTR1 0xffe08024 /* 16 bit SCIF */
@@ -562,6 +569,16 @@ static inline int sci_rxd_in(struct uart_port *port)
return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
return 1;
}
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+ if (port->mapbase == 0xfe4b0000)
+ return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0;
+ if (port->mapbase == 0xfe4c0000)
+ return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0;
+ if (port->mapbase == 0xfe4d0000)
+ return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0;
+}
#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
static inline int sci_rxd_in(struct uart_port *port)
{
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index d5276c012f7..9794e0cd3dc 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -469,9 +469,9 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
return;
}
- if (port->sc_port.info) {
+ if (port->sc_port.state) {
/* The serial_core stuffs are initilized, use them */
- tty = port->sc_port.info->port.tty;
+ tty = port->sc_port.state->port.tty;
}
else {
/* Not registered yet - can't pass to tty layer. */
@@ -550,9 +550,9 @@ static void sn_transmit_chars(struct sn_cons_port *port, int raw)
BUG_ON(!port->sc_is_asynch);
- if (port->sc_port.info) {
+ if (port->sc_port.state) {
/* We're initilized, using serial core infrastructure */
- xmit = &port->sc_port.info->xmit;
+ xmit = &port->sc_port.state->xmit;
} else {
/* Probably sn_sal_switch_to_asynch has been run but serial core isn't
* initilized yet. Just return. Writes are going through
@@ -927,7 +927,7 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
/* We can't look at the xmit buffer if we're not registered with serial core
* yet. So only do the fancy recovery after registering
*/
- if (!port->sc_port.info) {
+ if (!port->sc_port.state) {
/* Not yet registered with serial core - simple case */
puts_raw_fixed(port->sc_ops->sal_puts_raw, s, count);
return;
@@ -936,8 +936,8 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
/* somebody really wants this output, might be an
* oops, kdb, panic, etc. make sure they get it. */
if (spin_is_locked(&port->sc_port.lock)) {
- int lhead = port->sc_port.info->xmit.head;
- int ltail = port->sc_port.info->xmit.tail;
+ int lhead = port->sc_port.state->xmit.head;
+ int ltail = port->sc_port.state->xmit.tail;
int counter, got_lock = 0;
/*
@@ -962,13 +962,13 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
break;
} else {
/* still locked */
- if ((lhead != port->sc_port.info->xmit.head)
+ if ((lhead != port->sc_port.state->xmit.head)
|| (ltail !=
- port->sc_port.info->xmit.tail)) {
+ port->sc_port.state->xmit.tail)) {
lhead =
- port->sc_port.info->xmit.head;
+ port->sc_port.state->xmit.head;
ltail =
- port->sc_port.info->xmit.tail;
+ port->sc_port.state->xmit.tail;
counter = 0;
}
}
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index 1df5325faab..d548652dee5 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -184,8 +184,8 @@ static struct tty_struct *receive_chars(struct uart_port *port)
{
struct tty_struct *tty = NULL;
- if (port->info != NULL) /* Unopened serial console */
- tty = port->info->port.tty;
+ if (port->state != NULL) /* Unopened serial console */
+ tty = port->state->port.tty;
if (sunhv_ops->receive_chars(port, tty))
sun_do_break();
@@ -197,10 +197,10 @@ static void transmit_chars(struct uart_port *port)
{
struct circ_buf *xmit;
- if (!port->info)
+ if (!port->state)
return;
- xmit = &port->info->xmit;
+ xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port))
return;
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 0355efe115d..d1ad3412863 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -117,8 +117,8 @@ receive_chars(struct uart_sunsab_port *up,
int count = 0;
int i;
- if (up->port.info != NULL) /* Unopened serial console */
- tty = up->port.info->port.tty;
+ if (up->port.state != NULL) /* Unopened serial console */
+ tty = up->port.state->port.tty;
/* Read number of BYTES (Character + Status) available. */
if (stat->sreg.isr0 & SAB82532_ISR0_RPF) {
@@ -229,7 +229,7 @@ static void sunsab_tx_idle(struct uart_sunsab_port *);
static void transmit_chars(struct uart_sunsab_port *up,
union sab82532_irq_status *stat)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int i;
if (stat->sreg.isr1 & SAB82532_ISR1_ALLS) {
@@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up,
up->port.icount.dsr++;
}
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
static irqreturn_t sunsab_interrupt(int irq, void *dev_id)
@@ -429,7 +429,7 @@ static void sunsab_tx_idle(struct uart_sunsab_port *up)
static void sunsab_start_tx(struct uart_port *port)
{
struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int i;
up->interrupt_mask1 &= ~(SAB82532_IMR1_ALLS|SAB82532_IMR1_XPR);
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 47c6837850b..68d262b1574 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -311,7 +311,7 @@ static void sunsu_enable_ms(struct uart_port *port)
static struct tty_struct *
receive_chars(struct uart_sunsu_port *up, unsigned char *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch, flag;
int max_count = 256;
int saw_console_brk = 0;
@@ -389,7 +389,7 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status)
static void transmit_chars(struct uart_sunsu_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
@@ -441,7 +441,7 @@ static void check_modem_status(struct uart_sunsu_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index e09d3cebb4f..ef693ae22e7 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -328,9 +328,9 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up,
unsigned char ch, r1, flag;
tty = NULL;
- if (up->port.info != NULL && /* Unopened serial console */
- up->port.info->port.tty != NULL) /* Keyboard || mouse */
- tty = up->port.info->port.tty;
+ if (up->port.state != NULL && /* Unopened serial console */
+ up->port.state->port.tty != NULL) /* Keyboard || mouse */
+ tty = up->port.state->port.tty;
for (;;) {
@@ -451,7 +451,7 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;
@@ -501,9 +501,9 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up,
return;
}
- if (up->port.info == NULL)
+ if (up->port.state == NULL)
goto ack_tx_int;
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (uart_circ_empty(xmit))
goto ack_tx_int;
@@ -705,7 +705,7 @@ static void sunzilog_start_tx(struct uart_port *port)
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
writeb(xmit->buf[xmit->tail], &channel->data);
ZSDELAY();
diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 063a313b755..34b31da01d0 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -77,7 +77,7 @@ static void timbuart_flush_buffer(struct uart_port *port)
static void timbuart_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
while (ioread32(port->membase + TIMBUART_ISR) & RXDP) {
u8 ch = ioread8(port->membase + TIMBUART_RXFIFO);
@@ -86,7 +86,7 @@ static void timbuart_rx_chars(struct uart_port *port)
}
spin_unlock(&port->lock);
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
spin_lock(&port->lock);
dev_dbg(port->dev, "%s - total read %d bytes\n",
@@ -95,7 +95,7 @@ static void timbuart_rx_chars(struct uart_port *port)
static void timbuart_tx_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
while (!(ioread32(port->membase + TIMBUART_ISR) & TXBF) &&
!uart_circ_empty(xmit)) {
@@ -118,7 +118,7 @@ static void timbuart_handle_tx_port(struct uart_port *port, u32 isr, u32 *ier)
{
struct timbuart_port *uart =
container_of(port, struct timbuart_port, port);
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port))
return;
@@ -231,7 +231,7 @@ static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)
iowrite32(CTS_DELTA, port->membase + TIMBUART_ISR);
cts = timbuart_get_mctrl(port);
uart_handle_cts_change(port, cts & TIOCM_CTS);
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
}
*ier |= CTS_DELTA;
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index 3317148a4b9..377f2712289 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -75,7 +75,7 @@ static struct uart_port ulite_ports[ULITE_NR_UARTS];
static int ulite_receive(struct uart_port *port, int stat)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned char ch = 0;
char flag = TTY_NORMAL;
@@ -125,7 +125,7 @@ static int ulite_receive(struct uart_port *port, int stat)
static int ulite_transmit(struct uart_port *port, int stat)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (stat & ULITE_STATUS_TXFULL)
return 0;
@@ -154,17 +154,22 @@ static int ulite_transmit(struct uart_port *port, int stat)
static irqreturn_t ulite_isr(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- int busy;
+ int busy, n = 0;
do {
int stat = readb(port->membase + ULITE_STATUS);
busy = ulite_receive(port, stat);
busy |= ulite_transmit(port, stat);
+ n++;
} while (busy);
- tty_flip_buffer_push(port->info->port.tty);
-
- return IRQ_HANDLED;
+ /* work done? */
+ if (n > 1) {
+ tty_flip_buffer_push(port->state->port.tty);
+ return IRQ_HANDLED;
+ } else {
+ return IRQ_NONE;
+ }
}
static unsigned int ulite_tx_empty(struct uart_port *port)
@@ -221,7 +226,7 @@ static int ulite_startup(struct uart_port *port)
int ret;
ret = request_irq(port->irq, ulite_isr,
- IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "uartlite", port);
+ IRQF_SHARED | IRQF_SAMPLE_RANDOM, "uartlite", port);
if (ret)
return ret;
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index e945e780b5c..0c08f286a2e 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -327,7 +327,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port)
unsigned char *p;
unsigned int count;
struct uart_port *port = &qe_port->port;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
bdp = qe_port->rx_cur;
@@ -466,7 +466,7 @@ static void qe_uart_int_rx(struct uart_qe_port *qe_port)
int i;
unsigned char ch, *cp;
struct uart_port *port = &qe_port->port;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct qe_bd *bdp;
u16 status;
unsigned int flg;
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index dac550e57c2..3beb6ab4fa6 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -318,7 +318,7 @@ static inline void receive_chars(struct uart_port *port, uint8_t *status)
char flag;
int max_count = RX_MAX_COUNT;
- tty = port->info->port.tty;
+ tty = port->state->port.tty;
lsr = *status;
do {
@@ -386,7 +386,7 @@ static inline void check_modem_status(struct uart_port *port)
if (msr & UART_MSR_DCTS)
uart_handle_cts_change(port, msr & UART_MSR_CTS);
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
}
static inline void transmit_chars(struct uart_port *port)
@@ -394,7 +394,7 @@ static inline void transmit_chars(struct uart_port *port)
struct circ_buf *xmit;
int max_count = TX_MAX_COUNT;
- xmit = &port->info->xmit;
+ xmit = &port->state->xmit;
if (port->x_char) {
siu_write(port, UART_TX, port->x_char);
diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c
index d8c2809b1ab..1a7fd3e7031 100644
--- a/drivers/serial/zs.c
+++ b/drivers/serial/zs.c
@@ -602,12 +602,12 @@ static void zs_receive_chars(struct zs_port *zport)
uart_insert_char(uport, status, Rx_OVR, ch, flag);
}
- tty_flip_buffer_push(uport->info->port.tty);
+ tty_flip_buffer_push(uport->state->port.tty);
}
static void zs_raw_transmit_chars(struct zs_port *zport)
{
- struct circ_buf *xmit = &zport->port.info->xmit;
+ struct circ_buf *xmit = &zport->port.state->xmit;
/* XON/XOFF chars. */
if (zport->port.x_char) {
@@ -686,7 +686,7 @@ static void zs_status_handle(struct zs_port *zport, struct zs_port *zport_a)
uport->icount.rng++;
if (delta)
- wake_up_interruptible(&uport->info->delta_msr_wait);
+ wake_up_interruptible(&uport->state->port.delta_msr_wait);
spin_lock(&scc->zlock);
}